157420040

素因数分解:

$2^3\times 5^1\times {\mathrm{3935501}}^1$

素因数の和:3935512

約数の個数: 16

約数和(自身を含む): 354195180

約数和(自身を除く): 196775140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3935501, 7871002, 15742004, 19677505, 31484008, 39355010, 78710020, 157420040]

約数ペア:

[(1, 157420040), (2, 78710020), (4, 39355010), (5, 31484008), (8, 19677505), (10, 15742004), (20, 7871002), (40, 3935501)]