31451860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{142963}}^1$

素因数の和:142983

約数の個数: 24

約数和(自身を含む): 72053856

約数和(自身を除く): 40601996

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 142963, 285926, 571852, 714815, 1429630, 1572593, 2859260, 3145186, 6290372, 7862965, 15725930, 31451860]

約数ペア:

[(1, 31451860), (2, 15725930), (4, 7862965), (5, 6290372), (10, 3145186), (11, 2859260), (20, 1572593), (22, 1429630), (44, 714815), (55, 571852), (110, 285926), (220, 142963)]