12127340

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5563}}^1$

素因数の和:5681

約数の個数: 24

約数和(自身を含む): 25705680

約数和(自身を除く): 13578340

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 5563, 11126, 22252, 27815, 55630, 111260, 606367, 1212734, 2425468, 3031835, 6063670, 12127340]

約数ペア:

[(1, 12127340), (2, 6063670), (4, 3031835), (5, 2425468), (10, 1212734), (20, 606367), (109, 111260), (218, 55630), (436, 27815), (545, 22252), (1090, 11126), (2180, 5563)]