7939652020

素因数分解:

$2^2\times 5^1\times {\mathrm{396982601}}^1$

素因数の和:396982610

約数の個数: 12

約数和(自身を含む): 16673269284

約数和(自身を除く): 8733617264

約数列:

[1, 2, 4, 5, 10, 20, 396982601, 793965202, 1587930404, 1984913005, 3969826010, 7939652020]

約数ペア:

[(1, 7939652020), (2, 3969826010), (4, 1984913005), (5, 1587930404), (10, 793965202), (20, 396982601)]