OFFSET
1,2
COMMENTS
LINKS
Eric Weisstein's World of Mathematics, Robin's Theorem.
Wikipedia, Riemann hypothesis.
FORMULA
Equals 403 / (105 * log(log(5040))).
EXAMPLE
sigma(5040) / (5040 * log(log(5040))) = 1.79097336653488113336... In comparison, exp(gamma) = 1.78107241799019798523...
MATHEMATICA
RealDigits[DivisorSigma[-1, 5040] / Log[Log[5040]], 10, 120][[1]] (* Amiram Eldar, Jun 19 2023 *)
PROG
(PARI) sigma(5040) / (5040 * log(log(5040)))
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Jianing Song, Sep 24 2022
STATUS
approved