61339280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18701}}^1$

素因数の和:18755

約数の個数: 40

約数和(自身を含む): 146100024

約数和(自身を除く): 84760744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 18701, 37402, 74804, 93505, 149608, 187010, 299216, 374020, 748040, 766741, 1496080, 1533482, 3066964, 3833705, 6133928, 7667410, 12267856, 15334820, 30669640, 61339280]

約数ペア:

[(1, 61339280), (2, 30669640), (4, 15334820), (5, 12267856), (8, 7667410), (10, 6133928), (16, 3833705), (20, 3066964), (40, 1533482), (41, 1496080), (80, 766741), (82, 748040), (164, 374020), (205, 299216), (328, 187010), (410, 149608), (656, 93505), (820, 74804), (1640, 37402), (3280, 18701)]