28520185

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{701}}^1$

素因数の和:888

約数の個数: 16

約数和(自身を含む): 35043840

約数和(自身を除く): 6523655

約数列:

[1, 5, 79, 103, 395, 515, 701, 3505, 8137, 40685, 55379, 72203, 276895, 361015, 5704037, 28520185]

約数ペア:

[(1, 28520185), (5, 5704037), (79, 361015), (103, 276895), (395, 72203), (515, 55379), (701, 40685), (3505, 8137)]