85404080

素因数分解:

$2^4\times 5^1\times {\mathrm{1067551}}^1$

素因数の和:1067564

約数の個数: 20

約数和(自身を含む): 198564672

約数和(自身を除く): 113160592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1067551, 2135102, 4270204, 5337755, 8540408, 10675510, 17080816, 21351020, 42702040, 85404080]

約数ペア:

[(1, 85404080), (2, 42702040), (4, 21351020), (5, 17080816), (8, 10675510), (10, 8540408), (16, 5337755), (20, 4270204), (40, 2135102), (80, 1067551)]