8081305

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 10080000

約数和(自身を除く): 1998695

約数列:

[1, 5, 41, 79, 205, 395, 499, 2495, 3239, 16195, 20459, 39421, 102295, 197105, 1616261, 8081305]

約数ペア:

[(1, 8081305), (5, 1616261), (41, 197105), (79, 102295), (205, 39421), (395, 20459), (499, 16195), (2495, 3239)]