8707120

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{857}}^1$

素因数の和:997

約数の個数: 40

約数和(自身を含む): 20427264

約数和(自身を除く): 11720144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 857, 1016, 1270, 1714, 2032, 2540, 3428, 4285, 5080, 6856, 8570, 10160, 13712, 17140, 34280, 68560, 108839, 217678, 435356, 544195, 870712, 1088390, 1741424, 2176780, 4353560, 8707120]

約数ペア:

[(1, 8707120), (2, 4353560), (4, 2176780), (5, 1741424), (8, 1088390), (10, 870712), (16, 544195), (20, 435356), (40, 217678), (80, 108839), (127, 68560), (254, 34280), (508, 17140), (635, 13712), (857, 10160), (1016, 8570), (1270, 6856), (1714, 5080), (2032, 4285), (2540, 3428)]