9782180

素因数分解:

$2^2\times 5^1\times {\mathrm{489109}}^1$

素因数の和:489118

約数の個数: 12

約数和(自身を含む): 20542620

約数和(自身を除く): 10760440

約数列:

[1, 2, 4, 5, 10, 20, 489109, 978218, 1956436, 2445545, 4891090, 9782180]

約数ペア:

[(1, 9782180), (2, 4891090), (4, 2445545), (5, 1956436), (10, 978218), (20, 489109)]