56769640

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{8707}}^1$

素因数の和:8881

約数の個数: 32

約数和(自身を含む): 128530080

約数和(自身を除く): 71760440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 8707, 17414, 34828, 43535, 69656, 87070, 174140, 348280, 1419241, 2838482, 5676964, 7096205, 11353928, 14192410, 28384820, 56769640]

約数ペア:

[(1, 56769640), (2, 28384820), (4, 14192410), (5, 11353928), (8, 7096205), (10, 5676964), (20, 2838482), (40, 1419241), (163, 348280), (326, 174140), (652, 87070), (815, 69656), (1304, 43535), (1630, 34828), (3260, 17414), (6520, 8707)]