1625132020

素因数分解:

$2^2\times 5^1\times {\mathrm{81256601}}^1$

素因数の和:81256610

約数の個数: 12

約数和(自身を含む): 3412777284

約数和(自身を除く): 1787645264

約数列:

[1, 2, 4, 5, 10, 20, 81256601, 162513202, 325026404, 406283005, 812566010, 1625132020]

約数ペア:

[(1, 1625132020), (2, 812566010), (4, 406283005), (5, 325026404), (10, 162513202), (20, 81256601)]