49204780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{22571}}^1$

素因数の和:22689

約数の個数: 24

約数和(自身を含む): 104282640

約数和(自身を除く): 55077860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 22571, 45142, 90284, 112855, 225710, 451420, 2460239, 4920478, 9840956, 12301195, 24602390, 49204780]

約数ペア:

[(1, 49204780), (2, 24602390), (4, 12301195), (5, 9840956), (10, 4920478), (20, 2460239), (109, 451420), (218, 225710), (436, 112855), (545, 90284), (1090, 45142), (2180, 22571)]