8161671340

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{25981}}^1$

素因数の和:26242

約数の個数: 48

約数和(自身を含む): 17416254240

約数和(自身を除く): 9254582900

約数列:

[1, 2, 4, 5, 10, 20, 113, 139, 226, 278, 452, 556, 565, 695, 1130, 1390, 2260, 2780, 15707, 25981, 31414, 51962, 62828, 78535, 103924, 129905, 157070, 259810, 314140, 519620, 2935853, 3611359, 5871706, 7222718, 11743412, 14445436, 14679265, 18056795, 29358530, 36113590, 58717060, 72227180, 408083567, 816167134, 1632334268, 2040417835, 4080835670, 8161671340]

約数ペア:

[(1, 8161671340), (2, 4080835670), (4, 2040417835), (5, 1632334268), (10, 816167134), (20, 408083567), (113, 72227180), (139, 58717060), (226, 36113590), (278, 29358530), (452, 18056795), (556, 14679265), (565, 14445436), (695, 11743412), (1130, 7222718), (1390, 5871706), (2260, 3611359), (2780, 2935853), (15707, 519620), (25981, 314140), (31414, 259810), (51962, 157070), (62828, 129905), (78535, 103924)]