8178320

素因数分解:

$2^4\times 5^1\times {\mathrm{102229}}^1$

素因数の和:102242

約数の個数: 20

約数和(自身を含む): 19014780

約数和(自身を除く): 10836460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 102229, 204458, 408916, 511145, 817832, 1022290, 1635664, 2044580, 4089160, 8178320]

約数ペア:

[(1, 8178320), (2, 4089160), (4, 2044580), (5, 1635664), (8, 1022290), (10, 817832), (16, 511145), (20, 408916), (40, 204458), (80, 102229)]