64757620

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{3209}}^1$

素因数の和:4227

約数の個数: 24

約数和(自身を含む): 136168200

約数和(自身を除く): 71410580

約数列:

[1, 2, 4, 5, 10, 20, 1009, 2018, 3209, 4036, 5045, 6418, 10090, 12836, 16045, 20180, 32090, 64180, 3237881, 6475762, 12951524, 16189405, 32378810, 64757620]

約数ペア:

[(1, 64757620), (2, 32378810), (4, 16189405), (5, 12951524), (10, 6475762), (20, 3237881), (1009, 64180), (2018, 32090), (3209, 20180), (4036, 16045), (5045, 12836), (6418, 10090)]