56745220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{405323}}^1$

素因数の和:405339

約数の個数: 24

約数和(自身を含む): 136188864

約数和(自身を除く): 79443644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 405323, 810646, 1621292, 2026615, 2837261, 4053230, 5674522, 8106460, 11349044, 14186305, 28372610, 56745220]

約数ペア:

[(1, 56745220), (2, 28372610), (4, 14186305), (5, 11349044), (7, 8106460), (10, 5674522), (14, 4053230), (20, 2837261), (28, 2026615), (35, 1621292), (70, 810646), (140, 405323)]