42408040

素因数分解:

$2^3\times 5^1\times {\mathrm{1060201}}^1$

素因数の和:1060212

約数の個数: 16

約数和(自身を含む): 95418180

約数和(自身を除く): 53010140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1060201, 2120402, 4240804, 5301005, 8481608, 10602010, 21204020, 42408040]

約数ペア:

[(1, 42408040), (2, 21204020), (4, 10602010), (5, 8481608), (8, 5301005), (10, 4240804), (20, 2120402), (40, 1060201)]