login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A055714 Numbers n such that n | Sigma_10[n]. 0
1, 10, 60, 65, 75, 82, 84, 130, 140, 150, 175, 260, 350, 410, 420, 525, 780, 1050, 1105, 1550, 1812, 1820, 2050, 2100, 2210, 2325, 2378, 2460, 2665, 3050, 3250, 3500, 3972, 4228, 4420, 4575, 4650, 5330, 5425, 5460, 5473, 5740, 6150, 7852, 7868, 8282, 8840 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

sigma_10(n) is the sum of the 10th powers of the divisors of n.

MATHEMATICA

Do[If[Mod[DivisorSigma[10, n], n]==0, Print[n]], {n, 1, 10000}]

CROSSREFS

Sequence in context: A055586 A054489 A140890 * A046762 A066290 A065641

Adjacent sequences:  A055711 A055712 A055713 * A055715 A055716 A055717

KEYWORD

nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 09 2000

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 17 03:37 EST 2012. Contains 205978 sequences.