64128820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{458063}}^1$

素因数の和:458079

約数の個数: 24

約数和(自身を含む): 153909504

約数和(自身を除く): 89780684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 458063, 916126, 1832252, 2290315, 3206441, 4580630, 6412882, 9161260, 12825764, 16032205, 32064410, 64128820]

約数ペア:

[(1, 64128820), (2, 32064410), (4, 16032205), (5, 12825764), (7, 9161260), (10, 6412882), (14, 4580630), (20, 3206441), (28, 2290315), (35, 1832252), (70, 916126), (140, 458063)]