85085620

素因数分解:

$2^2\times 5^1\times {\mathrm{1669}}^1\times {\mathrm{2549}}^1$

素因数の和:4227

約数の個数: 24

約数和(自身を含む): 178857000

約数和(自身を除く): 93771380

約数列:

[1, 2, 4, 5, 10, 20, 1669, 2549, 3338, 5098, 6676, 8345, 10196, 12745, 16690, 25490, 33380, 50980, 4254281, 8508562, 17017124, 21271405, 42542810, 85085620]

約数ペア:

[(1, 85085620), (2, 42542810), (4, 21271405), (5, 17017124), (10, 8508562), (20, 4254281), (1669, 50980), (2549, 33380), (3338, 25490), (5098, 16690), (6676, 12745), (8345, 10196)]