157591640

素因数分解:

$2^3\times 5^1\times {\mathrm{3939791}}^1$

素因数の和:3939802

約数の個数: 16

約数和(自身を含む): 354581280

約数和(自身を除く): 196989640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3939791, 7879582, 15759164, 19698955, 31518328, 39397910, 78795820, 157591640]

約数ペア:

[(1, 157591640), (2, 78795820), (4, 39397910), (5, 31518328), (8, 19698955), (10, 15759164), (20, 7879582), (40, 3939791)]