9984560

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{911}}^1$

素因数の和:1061

約数の個数: 40

約数和(自身を含む): 23409216

約数和(自身を除く): 13424656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 911, 1096, 1370, 1822, 2192, 2740, 3644, 4555, 5480, 7288, 9110, 10960, 14576, 18220, 36440, 72880, 124807, 249614, 499228, 624035, 998456, 1248070, 1996912, 2496140, 4992280, 9984560]

約数ペア:

[(1, 9984560), (2, 4992280), (4, 2496140), (5, 1996912), (8, 1248070), (10, 998456), (16, 624035), (20, 499228), (40, 249614), (80, 124807), (137, 72880), (274, 36440), (548, 18220), (685, 14576), (911, 10960), (1096, 9110), (1370, 7288), (1822, 5480), (2192, 4555), (2740, 3644)]