26417620

素因数分解:

$2^2\times 5^1\times {\mathrm{1320881}}^1$

素因数の和:1320890

約数の個数: 12

約数和(自身を含む): 55477044

約数和(自身を除く): 29059424

約数列:

[1, 2, 4, 5, 10, 20, 1320881, 2641762, 5283524, 6604405, 13208810, 26417620]

約数ペア:

[(1, 26417620), (2, 13208810), (4, 6604405), (5, 5283524), (10, 2641762), (20, 1320881)]