84740080

素因数分解:

$2^4\times 5^1\times {\mathrm{1059251}}^1$

素因数の和:1059264

約数の個数: 20

約数和(自身を含む): 197020872

約数和(自身を除く): 112280792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1059251, 2118502, 4237004, 5296255, 8474008, 10592510, 16948016, 21185020, 42370040, 84740080]

約数ペア:

[(1, 84740080), (2, 42370040), (4, 21185020), (5, 16948016), (8, 10592510), (10, 8474008), (16, 5296255), (20, 4237004), (40, 2118502), (80, 1059251)]