12712550

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{3581}}^1$

素因数の和:3664

約数の個数: 24

約数和(自身を含む): 23985072

約数和(自身を除く): 11272522

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 3581, 7162, 17905, 35810, 89525, 179050, 254251, 508502, 1271255, 2542510, 6356275, 12712550]

約数ペア:

[(1, 12712550), (2, 6356275), (5, 2542510), (10, 1271255), (25, 508502), (50, 254251), (71, 179050), (142, 89525), (355, 35810), (710, 17905), (1775, 7162), (3550, 3581)]