47765980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{21911}}^1$

素因数の和:22029

約数の個数: 24

約数和(自身を含む): 101233440

約数和(自身を除く): 53467460

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 21911, 43822, 87644, 109555, 219110, 438220, 2388299, 4776598, 9553196, 11941495, 23882990, 47765980]

約数ペア:

[(1, 47765980), (2, 23882990), (4, 11941495), (5, 9553196), (10, 4776598), (20, 2388299), (109, 438220), (218, 219110), (436, 109555), (545, 87644), (1090, 43822), (2180, 21911)]