39242020

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3061}}^1$

素因数の和:3711

約数の個数: 24

約数和(自身を含む): 82563768

約数和(自身を除く): 43321748

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3061, 3205, 6122, 6410, 12244, 12820, 15305, 30610, 61220, 1962101, 3924202, 7848404, 9810505, 19621010, 39242020]

約数ペア:

[(1, 39242020), (2, 19621010), (4, 9810505), (5, 7848404), (10, 3924202), (20, 1962101), (641, 61220), (1282, 30610), (2564, 15305), (3061, 12820), (3205, 12244), (6122, 6410)]