85451920

素因数分解:

$2^4\times 5^1\times {\mathrm{1068149}}^1$

素因数の和:1068162

約数の個数: 20

約数和(自身を含む): 198675900

約数和(自身を除く): 113223980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1068149, 2136298, 4272596, 5340745, 8545192, 10681490, 17090384, 21362980, 42725960, 85451920]

約数ペア:

[(1, 85451920), (2, 42725960), (4, 21362980), (5, 17090384), (8, 10681490), (10, 8545192), (16, 5340745), (20, 4272596), (40, 2136298), (80, 1068149)]