31116980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{21313}}^1$

素因数の和:21395

約数の個数: 24

約数和(自身を含む): 66243912

約数和(自身を除く): 35126932

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 21313, 42626, 85252, 106565, 213130, 426260, 1555849, 3111698, 6223396, 7779245, 15558490, 31116980]

約数ペア:

[(1, 31116980), (2, 15558490), (4, 7779245), (5, 6223396), (10, 3111698), (20, 1555849), (73, 426260), (146, 213130), (292, 106565), (365, 85252), (730, 42626), (1460, 21313)]