8044520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 20217600

約数和(自身を除く): 12173080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 389, 440, 470, 517, 778, 940, 1034, 1556, 1880, 1945, 2068, 2585, 3112, 3890, 4136, 4279, 5170, 7780, 8558, 10340, 15560, 17116, 18283, 20680, 21395, 34232, 36566, 42790, 73132, 85580, 91415, 146264, 171160, 182830, 201113, 365660, 402226, 731320, 804452, 1005565, 1608904, 2011130, 4022260, 8044520]

約数ペア:

[(1, 8044520), (2, 4022260), (4, 2011130), (5, 1608904), (8, 1005565), (10, 804452), (11, 731320), (20, 402226), (22, 365660), (40, 201113), (44, 182830), (47, 171160), (55, 146264), (88, 91415), (94, 85580), (110, 73132), (188, 42790), (220, 36566), (235, 34232), (376, 21395), (389, 20680), (440, 18283), (470, 17116), (517, 15560), (778, 10340), (940, 8558), (1034, 7780), (1556, 5170), (1880, 4279), (1945, 4136), (2068, 3890), (2585, 3112)]