89885480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{52259}}^1$

素因数の和:52313

約数の個数: 32

約数和(自身を含む): 206949600

約数和(自身を除く): 117064120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 52259, 104518, 209036, 261295, 418072, 522590, 1045180, 2090360, 2247137, 4494274, 8988548, 11235685, 17977096, 22471370, 44942740, 89885480]

約数ペア:

[(1, 89885480), (2, 44942740), (4, 22471370), (5, 17977096), (8, 11235685), (10, 8988548), (20, 4494274), (40, 2247137), (43, 2090360), (86, 1045180), (172, 522590), (215, 418072), (344, 261295), (430, 209036), (860, 104518), (1720, 52259)]