8909780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40499}}^1$

素因数の和:40519

約数の個数: 24

約数和(自身を含む): 20412000

約数和(自身を除く): 11502220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 40499, 80998, 161996, 202495, 404990, 445489, 809980, 890978, 1781956, 2227445, 4454890, 8909780]

約数ペア:

[(1, 8909780), (2, 4454890), (4, 2227445), (5, 1781956), (10, 890978), (11, 809980), (20, 445489), (22, 404990), (44, 202495), (55, 161996), (110, 80998), (220, 40499)]