22428080

素因数分解:

$2^4\times 5^1\times {\mathrm{280351}}^1$

素因数の和:280364

約数の個数: 20

約数和(自身を含む): 52145472

約数和(自身を除く): 29717392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 280351, 560702, 1121404, 1401755, 2242808, 2803510, 4485616, 5607020, 11214040, 22428080]

約数ペア:

[(1, 22428080), (2, 11214040), (4, 5607020), (5, 4485616), (8, 2803510), (10, 2242808), (16, 1401755), (20, 1121404), (40, 560702), (80, 280351)]