156729664040

素因数分解:

$2^3\times 5^1\times {\mathrm{3918241601}}^1$

素因数の和:3918241612

約数の個数: 16

約数和(自身を含む): 352641744180

約数和(自身を除く): 195912080140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3918241601, 7836483202, 15672966404, 19591208005, 31345932808, 39182416010, 78364832020, 156729664040]

約数ペア:

[(1, 156729664040), (2, 78364832020), (4, 39182416010), (5, 31345932808), (8, 19591208005), (10, 15672966404), (20, 7836483202), (40, 3918241601)]