55581640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19571}}^1$

素因数の和:19653

約数の個数: 32

約数和(自身を含む): 126826560

約数和(自身を除く): 71244920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 19571, 39142, 78284, 97855, 156568, 195710, 391420, 782840, 1389541, 2779082, 5558164, 6947705, 11116328, 13895410, 27790820, 55581640]

約数ペア:

[(1, 55581640), (2, 27790820), (4, 13895410), (5, 11116328), (8, 6947705), (10, 5558164), (20, 2779082), (40, 1389541), (71, 782840), (142, 391420), (284, 195710), (355, 156568), (568, 97855), (710, 78284), (1420, 39142), (2840, 19571)]