4089850

素因数分解:

$2^1\times 5^2\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:690

約数の個数: 24

約数和(自身を含む): 7670268

約数和(自身を除く): 3580418

約数列:

[1, 2, 5, 10, 25, 50, 157, 314, 521, 785, 1042, 1570, 2605, 3925, 5210, 7850, 13025, 26050, 81797, 163594, 408985, 817970, 2044925, 4089850]

約数ペア:

[(1, 4089850), (2, 2044925), (5, 817970), (10, 408985), (25, 163594), (50, 81797), (157, 26050), (314, 13025), (521, 7850), (785, 5210), (1042, 3925), (1570, 2605)]