40818040

素因数分解:

$2^3\times 5^1\times {\mathrm{1020451}}^1$

素因数の和:1020462

約数の個数: 16

約数和(自身を含む): 91840680

約数和(自身を除く): 51022640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1020451, 2040902, 4081804, 5102255, 8163608, 10204510, 20409020, 40818040]

約数ペア:

[(1, 40818040), (2, 20409020), (4, 10204510), (5, 8163608), (8, 5102255), (10, 4081804), (20, 2040902), (40, 1020451)]