1968560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2237}}^1$

素因数の和:2261

約数の個数: 40

約数和(自身を含む): 4995216

約数和(自身を除く): 3026656

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2237, 4474, 8948, 11185, 17896, 22370, 24607, 35792, 44740, 49214, 89480, 98428, 123035, 178960, 196856, 246070, 393712, 492140, 984280, 1968560]

約数ペア:

[(1, 1968560), (2, 984280), (4, 492140), (5, 393712), (8, 246070), (10, 196856), (11, 178960), (16, 123035), (20, 98428), (22, 89480), (40, 49214), (44, 44740), (55, 35792), (80, 24607), (88, 22370), (110, 17896), (176, 11185), (220, 8948), (440, 4474), (880, 2237)]