31144100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23957}}^1$

素因数の和:23984

約数の個数: 36

約数和(自身を含む): 72784404

約数和(自身を除く): 41640304

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 23957, 47914, 95828, 119785, 239570, 311441, 479140, 598925, 622882, 1197850, 1245764, 1557205, 2395700, 3114410, 6228820, 7786025, 15572050, 31144100]

約数ペア:

[(1, 31144100), (2, 15572050), (4, 7786025), (5, 6228820), (10, 3114410), (13, 2395700), (20, 1557205), (25, 1245764), (26, 1197850), (50, 622882), (52, 598925), (65, 479140), (100, 311441), (130, 239570), (260, 119785), (325, 95828), (650, 47914), (1300, 23957)]