12631480

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{691}}^1$

素因数の和:1159

約数の個数: 32

約数和(自身を含む): 28524240

約数和(自身を除く): 15892760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 691, 914, 1382, 1828, 2285, 2764, 3455, 3656, 4570, 5528, 6910, 9140, 13820, 18280, 27640, 315787, 631574, 1263148, 1578935, 2526296, 3157870, 6315740, 12631480]

約数ペア:

[(1, 12631480), (2, 6315740), (4, 3157870), (5, 2526296), (8, 1578935), (10, 1263148), (20, 631574), (40, 315787), (457, 27640), (691, 18280), (914, 13820), (1382, 9140), (1828, 6910), (2285, 5528), (2764, 4570), (3455, 3656)]