28368560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32237}}^1$

素因数の和:32261

約数の個数: 40

約数和(自身を含む): 71955216

約数和(自身を除く): 43586656

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 32237, 64474, 128948, 161185, 257896, 322370, 354607, 515792, 644740, 709214, 1289480, 1418428, 1773035, 2578960, 2836856, 3546070, 5673712, 7092140, 14184280, 28368560]

約数ペア:

[(1, 28368560), (2, 14184280), (4, 7092140), (5, 5673712), (8, 3546070), (10, 2836856), (11, 2578960), (16, 1773035), (20, 1418428), (22, 1289480), (40, 709214), (44, 644740), (55, 515792), (80, 354607), (88, 322370), (110, 257896), (176, 161185), (220, 128948), (440, 64474), (880, 32237)]