8120825840

素因数分解:

$2^4\times 5^1\times {\mathrm{101510323}}^1$

素因数の和:101510336

約数の個数: 20

約数和(自身を含む): 18880920264

約数和(自身を除く): 10760094424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101510323, 203020646, 406041292, 507551615, 812082584, 1015103230, 1624165168, 2030206460, 4060412920, 8120825840]

約数ペア:

[(1, 8120825840), (2, 4060412920), (4, 2030206460), (5, 1624165168), (8, 1015103230), (10, 812082584), (16, 507551615), (20, 406041292), (40, 203020646), (80, 101510323)]