788562020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{961661}}^1$

素因数の和:961711

約数の個数: 24

約数和(自身を含む): 1696371768

約数和(自身を除く): 907809748

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 961661, 1923322, 3846644, 4808305, 9616610, 19233220, 39428101, 78856202, 157712404, 197140505, 394281010, 788562020]

約数ペア:

[(1, 788562020), (2, 394281010), (4, 197140505), (5, 157712404), (10, 78856202), (20, 39428101), (41, 19233220), (82, 9616610), (164, 4808305), (205, 3846644), (410, 1923322), (820, 961661)]