9190280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20887}}^1$

素因数の和:20909

約数の個数: 32

約数和(自身を含む): 22559040

約数和(自身を除く): 13368760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 20887, 41774, 83548, 104435, 167096, 208870, 229757, 417740, 459514, 835480, 919028, 1148785, 1838056, 2297570, 4595140, 9190280]

約数ペア:

[(1, 9190280), (2, 4595140), (4, 2297570), (5, 1838056), (8, 1148785), (10, 919028), (11, 835480), (20, 459514), (22, 417740), (40, 229757), (44, 208870), (55, 167096), (88, 104435), (110, 83548), (220, 41774), (440, 20887)]