447080

素因数分解:

$2^3\times 5^1\times {\mathrm{11177}}^1$

素因数の和:11188

約数の個数: 16

約数和(自身を含む): 1006020

約数和(自身を除く): 558940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 11177, 22354, 44708, 55885, 89416, 111770, 223540, 447080]

約数ペア:

[(1, 447080), (2, 223540), (4, 111770), (5, 89416), (8, 55885), (10, 44708), (20, 22354), (40, 11177)]