205655760020

素因数分解:

$2^2\times 5^1\times {\mathrm{10282788001}}^1$

素因数の和:10282788010

約数の個数: 12

約数和(自身を含む): 431877096084

約数和(自身を除く): 226221336064

約数列:

[1, 2, 4, 5, 10, 20, 10282788001, 20565576002, 41131152004, 51413940005, 102827880010, 205655760020]

約数ペア:

[(1, 205655760020), (2, 102827880010), (4, 51413940005), (5, 41131152004), (10, 20565576002), (20, 10282788001)]