165012080

素因数分解:

$2^4\times 5^1\times {\mathrm{2062651}}^1$

素因数の和:2062664

約数の個数: 20

約数和(自身を含む): 383653272

約数和(自身を除く): 218641192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2062651, 4125302, 8250604, 10313255, 16501208, 20626510, 33002416, 41253020, 82506040, 165012080]

約数ペア:

[(1, 165012080), (2, 82506040), (4, 41253020), (5, 33002416), (8, 20626510), (10, 16501208), (16, 10313255), (20, 8250604), (40, 4125302), (80, 2062651)]