55837220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{64927}}^1$

素因数の和:64979

約数の個数: 24

約数和(自身を含む): 119986944

約数和(自身を除く): 64149724

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 64927, 129854, 259708, 324635, 649270, 1298540, 2791861, 5583722, 11167444, 13959305, 27918610, 55837220]

約数ペア:

[(1, 55837220), (2, 27918610), (4, 13959305), (5, 11167444), (10, 5583722), (20, 2791861), (43, 1298540), (86, 649270), (172, 324635), (215, 259708), (430, 129854), (860, 64927)]