2172280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4937}}^1$

素因数の和:4959

約数の個数: 32

約数和(自身を含む): 5333040

約数和(自身を除く): 3160760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4937, 9874, 19748, 24685, 39496, 49370, 54307, 98740, 108614, 197480, 217228, 271535, 434456, 543070, 1086140, 2172280]

約数ペア:

[(1, 2172280), (2, 1086140), (4, 543070), (5, 434456), (8, 271535), (10, 217228), (11, 197480), (20, 108614), (22, 98740), (40, 54307), (44, 49370), (55, 39496), (88, 24685), (110, 19748), (220, 9874), (440, 4937)]