228080

素因数分解:

$2^4\times 5^1\times {\mathrm{2851}}^1$

素因数の和:2864

約数の個数: 20

約数和(自身を含む): 530472

約数和(自身を除く): 302392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2851, 5702, 11404, 14255, 22808, 28510, 45616, 57020, 114040, 228080]

約数ペア:

[(1, 228080), (2, 114040), (4, 57020), (5, 45616), (8, 28510), (10, 22808), (16, 14255), (20, 11404), (40, 5702), (80, 2851)]