30669640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18701}}^1$

素因数の和:18753

約数の個数: 32

約数和(自身を含む): 70693560

約数和(自身を除く): 40023920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 18701, 37402, 74804, 93505, 149608, 187010, 374020, 748040, 766741, 1533482, 3066964, 3833705, 6133928, 7667410, 15334820, 30669640]

約数ペア:

[(1, 30669640), (2, 15334820), (4, 7667410), (5, 6133928), (8, 3833705), (10, 3066964), (20, 1533482), (40, 766741), (41, 748040), (82, 374020), (164, 187010), (205, 149608), (328, 93505), (410, 74804), (820, 37402), (1640, 18701)]