28572280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64937}}^1$

素因数の和:64959

約数の個数: 32

約数和(自身を含む): 70133040

約数和(自身を除く): 41560760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 64937, 129874, 259748, 324685, 519496, 649370, 714307, 1298740, 1428614, 2597480, 2857228, 3571535, 5714456, 7143070, 14286140, 28572280]

約数ペア:

[(1, 28572280), (2, 14286140), (4, 7143070), (5, 5714456), (8, 3571535), (10, 2857228), (11, 2597480), (20, 1428614), (22, 1298740), (40, 714307), (44, 649370), (55, 519496), (88, 324685), (110, 259748), (220, 129874), (440, 64937)]