89868080

素因数分解:

$2^4\times 5^1\times {\mathrm{1123351}}^1$

素因数の和:1123364

約数の個数: 20

約数和(自身を含む): 208943472

約数和(自身を除く): 119075392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1123351, 2246702, 4493404, 5616755, 8986808, 11233510, 17973616, 22467020, 44934040, 89868080]

約数ペア:

[(1, 89868080), (2, 44934040), (4, 22467020), (5, 17973616), (8, 11233510), (10, 8986808), (16, 5616755), (20, 4493404), (40, 2246702), (80, 1123351)]