28305520

素因数分解:

$2^4\times 5^1\times {\mathrm{353819}}^1$

素因数の和:353832

約数の個数: 20

約数和(自身を含む): 65810520

約数和(自身を除く): 37505000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353819, 707638, 1415276, 1769095, 2830552, 3538190, 5661104, 7076380, 14152760, 28305520]

約数ペア:

[(1, 28305520), (2, 14152760), (4, 7076380), (5, 5661104), (8, 3538190), (10, 2830552), (16, 1769095), (20, 1415276), (40, 707638), (80, 353819)]