9988660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45403}}^1$

素因数の和:45423

約数の個数: 24

約数和(自身を含む): 22883616

約数和(自身を除く): 12894956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 45403, 90806, 181612, 227015, 454030, 499433, 908060, 998866, 1997732, 2497165, 4994330, 9988660]

約数ペア:

[(1, 9988660), (2, 4994330), (4, 2497165), (5, 1997732), (10, 998866), (11, 908060), (20, 499433), (22, 454030), (44, 227015), (55, 181612), (110, 90806), (220, 45403)]