157242160

素因数分解:

$2^4\times 5^1\times {\mathrm{1965527}}^1$

素因数の和:1965540

約数の個数: 20

約数和(自身を含む): 365588208

約数和(自身を除く): 208346048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1965527, 3931054, 7862108, 9827635, 15724216, 19655270, 31448432, 39310540, 78621080, 157242160]

約数ペア:

[(1, 157242160), (2, 78621080), (4, 39310540), (5, 31448432), (8, 19655270), (10, 15724216), (16, 9827635), (20, 7862108), (40, 3931054), (80, 1965527)]