2019415025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{1970161}}^1$

素因数の和:1970212

約数の個数: 12

約数和(自身を含む): 2565150924

約数和(自身を除く): 545735899

約数列:

[1, 5, 25, 41, 205, 1025, 1970161, 9850805, 49254025, 80776601, 403883005, 2019415025]

約数ペア:

[(1, 2019415025), (5, 403883005), (25, 80776601), (41, 49254025), (205, 9850805), (1025, 1970161)]