556421240

素因数分解:

$2^3\times 5^1\times {\mathrm{13910531}}^1$

素因数の和:13910542

約数の個数: 16

約数和(自身を含む): 1251947880

約数和(自身を除く): 695526640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13910531, 27821062, 55642124, 69552655, 111284248, 139105310, 278210620, 556421240]

約数ペア:

[(1, 556421240), (2, 278210620), (4, 139105310), (5, 111284248), (8, 69552655), (10, 55642124), (20, 27821062), (40, 13910531)]