628014020

素因数分解:

$2^2\times 5^1\times {\mathrm{31400701}}^1$

素因数の和:31400710

約数の個数: 12

約数和(自身を含む): 1318829484

約数和(自身を除く): 690815464

約数列:

[1, 2, 4, 5, 10, 20, 31400701, 62801402, 125602804, 157003505, 314007010, 628014020]

約数ペア:

[(1, 628014020), (2, 314007010), (4, 157003505), (5, 125602804), (10, 62801402), (20, 31400701)]