8954440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 22498560

約数和(自身を除く): 13544120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 433, 440, 470, 517, 866, 940, 1034, 1732, 1880, 2068, 2165, 2585, 3464, 4136, 4330, 4763, 5170, 8660, 9526, 10340, 17320, 19052, 20351, 20680, 23815, 38104, 40702, 47630, 81404, 95260, 101755, 162808, 190520, 203510, 223861, 407020, 447722, 814040, 895444, 1119305, 1790888, 2238610, 4477220, 8954440]

約数ペア:

[(1, 8954440), (2, 4477220), (4, 2238610), (5, 1790888), (8, 1119305), (10, 895444), (11, 814040), (20, 447722), (22, 407020), (40, 223861), (44, 203510), (47, 190520), (55, 162808), (88, 101755), (94, 95260), (110, 81404), (188, 47630), (220, 40702), (235, 38104), (376, 23815), (433, 20680), (440, 20351), (470, 19052), (517, 17320), (866, 10340), (940, 9526), (1034, 8660), (1732, 5170), (1880, 4763), (2068, 4330), (2165, 4136), (2585, 3464)]