55890040

素因数分解:

$2^3\times 5^1\times {\mathrm{1397251}}^1$

素因数の和:1397262

約数の個数: 16

約数和(自身を含む): 125752680

約数和(自身を除く): 69862640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1397251, 2794502, 5589004, 6986255, 11178008, 13972510, 27945020, 55890040]

約数ペア:

[(1, 55890040), (2, 27945020), (4, 13972510), (5, 11178008), (8, 6986255), (10, 5589004), (20, 2794502), (40, 1397251)]