157419880

素因数分解:

$2^3\times 5^1\times {\mathrm{3935497}}^1$

素因数の和:3935508

約数の個数: 16

約数和(自身を含む): 354194820

約数和(自身を除く): 196774940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3935497, 7870994, 15741988, 19677485, 31483976, 39354970, 78709940, 157419880]

約数ペア:

[(1, 157419880), (2, 78709940), (4, 39354970), (5, 31483976), (8, 19677485), (10, 15741988), (20, 7870994), (40, 3935497)]