8505260

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2137}}^1$

素因数の和:2345

約数の個数: 24

約数和(自身を含む): 17959200

約数和(自身を除く): 9453940

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 2137, 3980, 4274, 8548, 10685, 21370, 42740, 425263, 850526, 1701052, 2126315, 4252630, 8505260]

約数ペア:

[(1, 8505260), (2, 4252630), (4, 2126315), (5, 1701052), (10, 850526), (20, 425263), (199, 42740), (398, 21370), (796, 10685), (995, 8548), (1990, 4274), (2137, 3980)]