9944720

素因数分解:

$2^4\times 5^1\times {\mathrm{124309}}^1$

素因数の和:124322

約数の個数: 20

約数和(自身を含む): 23121660

約数和(自身を除く): 13176940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 124309, 248618, 497236, 621545, 994472, 1243090, 1988944, 2486180, 4972360, 9944720]

約数ペア:

[(1, 9944720), (2, 4972360), (4, 2486180), (5, 1988944), (8, 1243090), (10, 994472), (16, 621545), (20, 497236), (40, 248618), (80, 124309)]