56905960

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{2851}}^1$

素因数の和:3361

約数の個数: 32

約数和(自身を含む): 128340000

約数和(自身を除く): 71434040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1996, 2495, 2851, 3992, 4990, 5702, 9980, 11404, 14255, 19960, 22808, 28510, 57020, 114040, 1422649, 2845298, 5690596, 7113245, 11381192, 14226490, 28452980, 56905960]

約数ペア:

[(1, 56905960), (2, 28452980), (4, 14226490), (5, 11381192), (8, 7113245), (10, 5690596), (20, 2845298), (40, 1422649), (499, 114040), (998, 57020), (1996, 28510), (2495, 22808), (2851, 19960), (3992, 14255), (4990, 11404), (5702, 9980)]