40551640

素因数分解:

$2^3\times 5^1\times {\mathrm{1013791}}^1$

素因数の和:1013802

約数の個数: 16

約数和(自身を含む): 91241280

約数和(自身を除く): 50689640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1013791, 2027582, 4055164, 5068955, 8110328, 10137910, 20275820, 40551640]

約数ペア:

[(1, 40551640), (2, 20275820), (4, 10137910), (5, 8110328), (8, 5068955), (10, 4055164), (20, 2027582), (40, 1013791)]