31304920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{26987}}^1$

素因数の和:27027

約数の個数: 32

約数和(自身を含む): 72867600

約数和(自身を除く): 41562680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 26987, 53974, 107948, 134935, 215896, 269870, 539740, 782623, 1079480, 1565246, 3130492, 3913115, 6260984, 7826230, 15652460, 31304920]

約数ペア:

[(1, 31304920), (2, 15652460), (4, 7826230), (5, 6260984), (8, 3913115), (10, 3130492), (20, 1565246), (29, 1079480), (40, 782623), (58, 539740), (116, 269870), (145, 215896), (232, 134935), (290, 107948), (580, 53974), (1160, 26987)]