9009880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20477}}^1$

素因数の和:20499

約数の個数: 32

約数和(自身を含む): 22116240

約数和(自身を除く): 13106360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 20477, 40954, 81908, 102385, 163816, 204770, 225247, 409540, 450494, 819080, 900988, 1126235, 1801976, 2252470, 4504940, 9009880]

約数ペア:

[(1, 9009880), (2, 4504940), (4, 2252470), (5, 1801976), (8, 1126235), (10, 900988), (11, 819080), (20, 450494), (22, 409540), (40, 225247), (44, 204770), (55, 163816), (88, 102385), (110, 81908), (220, 40954), (440, 20477)]