156948720020

素因数分解:

$2^2\times 5^1\times {\mathrm{7847436001}}^1$

素因数の和:7847436010

約数の個数: 12

約数和(自身を含む): 329592312084

約数和(自身を除く): 172643592064

約数列:

[1, 2, 4, 5, 10, 20, 7847436001, 15694872002, 31389744004, 39237180005, 78474360010, 156948720020]

約数ペア:

[(1, 156948720020), (2, 78474360010), (4, 39237180005), (5, 31389744004), (10, 15694872002), (20, 7847436001)]