64325080

素因数分解:

$2^3\times 5^1\times {\mathrm{1608127}}^1$

素因数の和:1608138

約数の個数: 16

約数和(自身を含む): 144731520

約数和(自身を除く): 80406440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1608127, 3216254, 6432508, 8040635, 12865016, 16081270, 32162540, 64325080]

約数ペア:

[(1, 64325080), (2, 32162540), (4, 16081270), (5, 12865016), (8, 8040635), (10, 6432508), (20, 3216254), (40, 1608127)]