99710320

素因数分解:

$2^4\times 5^1\times {\mathrm{1246379}}^1$

素因数の和:1246392

約数の個数: 20

約数和(自身を含む): 231826680

約数和(自身を除く): 132116360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1246379, 2492758, 4985516, 6231895, 9971032, 12463790, 19942064, 24927580, 49855160, 99710320]

約数ペア:

[(1, 99710320), (2, 49855160), (4, 24927580), (5, 19942064), (8, 12463790), (10, 9971032), (16, 6231895), (20, 4985516), (40, 2492758), (80, 1246379)]