80257820

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{16651}}^1$

素因数の和:16901

約数の個数: 24

約数和(自身を含む): 169250928

約数和(自身を除く): 88993108

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 16651, 33302, 66604, 83255, 166510, 333020, 4012891, 8025782, 16051564, 20064455, 40128910, 80257820]

約数ペア:

[(1, 80257820), (2, 40128910), (4, 20064455), (5, 16051564), (10, 8025782), (20, 4012891), (241, 333020), (482, 166510), (964, 83255), (1205, 66604), (2410, 33302), (4820, 16651)]