8421965420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3480151}}^1$

素因数の和:3480182

約数の個数: 36

約数和(自身を含む): 19440129072

約数和(自身を除く): 11018163652

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 3480151, 6960302, 13920604, 17400755, 34801510, 38281661, 69603020, 76563322, 153126644, 191408305, 382816610, 421098271, 765633220, 842196542, 1684393084, 2105491355, 4210982710, 8421965420]

約数ペア:

[(1, 8421965420), (2, 4210982710), (4, 2105491355), (5, 1684393084), (10, 842196542), (11, 765633220), (20, 421098271), (22, 382816610), (44, 191408305), (55, 153126644), (110, 76563322), (121, 69603020), (220, 38281661), (242, 34801510), (484, 17400755), (605, 13920604), (1210, 6960302), (2420, 3480151)]