159910040

素因数分解:

$2^3\times 5^1\times {\mathrm{3997751}}^1$

素因数の和:3997762

約数の個数: 16

約数和(自身を含む): 359797680

約数和(自身を除く): 199887640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3997751, 7995502, 15991004, 19988755, 31982008, 39977510, 79955020, 159910040]

約数ペア:

[(1, 159910040), (2, 79955020), (4, 39977510), (5, 31982008), (8, 19988755), (10, 15991004), (20, 7995502), (40, 3997751)]