28043740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32609}}^1$

素因数の和:32661

約数の個数: 24

約数和(自身を含む): 60263280

約数和(自身を除く): 32219540

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 32609, 65218, 130436, 163045, 326090, 652180, 1402187, 2804374, 5608748, 7010935, 14021870, 28043740]

約数ペア:

[(1, 28043740), (2, 14021870), (4, 7010935), (5, 5608748), (10, 2804374), (20, 1402187), (43, 652180), (86, 326090), (172, 163045), (215, 130436), (430, 65218), (860, 32609)]