28452980

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{2851}}^1$

素因数の和:3359

約数の個数: 24

約数和(自身を含む): 59892000

約数和(自身を除く): 31439020

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 2851, 4990, 5702, 9980, 11404, 14255, 28510, 57020, 1422649, 2845298, 5690596, 7113245, 14226490, 28452980]

約数ペア:

[(1, 28452980), (2, 14226490), (4, 7113245), (5, 5690596), (10, 2845298), (20, 1422649), (499, 57020), (998, 28510), (1996, 14255), (2495, 11404), (2851, 9980), (4990, 5702)]