316981240

素因数分解:

$2^3\times 5^1\times {\mathrm{7924531}}^1$

素因数の和:7924542

約数の個数: 16

約数和(自身を含む): 713207880

約数和(自身を除く): 396226640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7924531, 15849062, 31698124, 39622655, 63396248, 79245310, 158490620, 316981240]

約数ペア:

[(1, 316981240), (2, 158490620), (4, 79245310), (5, 63396248), (8, 39622655), (10, 31698124), (20, 15849062), (40, 7924531)]