85691120

素因数分解:

$2^4\times 5^1\times {\mathrm{1071139}}^1$

素因数の和:1071152

約数の個数: 20

約数和(自身を含む): 199232040

約数和(自身を除く): 113540920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1071139, 2142278, 4284556, 5355695, 8569112, 10711390, 17138224, 21422780, 42845560, 85691120]

約数ペア:

[(1, 85691120), (2, 42845560), (4, 21422780), (5, 17138224), (8, 10711390), (10, 8569112), (16, 5355695), (20, 4284556), (40, 2142278), (80, 1071139)]