42102040

素因数分解:

$2^3\times 5^1\times {\mathrm{1052551}}^1$

素因数の和:1052562

約数の個数: 16

約数和(自身を含む): 94729680

約数和(自身を除く): 52627640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1052551, 2105102, 4210204, 5262755, 8420408, 10525510, 21051020, 42102040]

約数ペア:

[(1, 42102040), (2, 21051020), (4, 10525510), (5, 8420408), (8, 5262755), (10, 4210204), (20, 2105102), (40, 1052551)]