172155740

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{12457}}^1$

素因数の和:13157

約数の個数: 24

約数和(自身を含む): 362079312

約数和(自身を除く): 189923572

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 3455, 6910, 12457, 13820, 24914, 49828, 62285, 124570, 249140, 8607787, 17215574, 34431148, 43038935, 86077870, 172155740]

約数ペア:

[(1, 172155740), (2, 86077870), (4, 43038935), (5, 34431148), (10, 17215574), (20, 8607787), (691, 249140), (1382, 124570), (2764, 62285), (3455, 49828), (6910, 24914), (12457, 13820)]