157555880

素因数分解:

$2^3\times 5^1\times {\mathrm{3938897}}^1$

素因数の和:3938908

約数の個数: 16

約数和(自身を含む): 354500820

約数和(自身を除く): 196944940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3938897, 7877794, 15755588, 19694485, 31511176, 39388970, 78777940, 157555880]

約数ペア:

[(1, 157555880), (2, 78777940), (4, 39388970), (5, 31511176), (8, 19694485), (10, 15755588), (20, 7877794), (40, 3938897)]