8247560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 19595520

約数和(自身を除く): 11347960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 47, 82, 94, 107, 164, 188, 205, 214, 235, 328, 376, 410, 428, 470, 535, 820, 856, 940, 1070, 1640, 1880, 1927, 2140, 3854, 4280, 4387, 5029, 7708, 8774, 9635, 10058, 15416, 17548, 19270, 20116, 21935, 25145, 35096, 38540, 40232, 43870, 50290, 77080, 87740, 100580, 175480, 201160, 206189, 412378, 824756, 1030945, 1649512, 2061890, 4123780, 8247560]

約数ペア:

[(1, 8247560), (2, 4123780), (4, 2061890), (5, 1649512), (8, 1030945), (10, 824756), (20, 412378), (40, 206189), (41, 201160), (47, 175480), (82, 100580), (94, 87740), (107, 77080), (164, 50290), (188, 43870), (205, 40232), (214, 38540), (235, 35096), (328, 25145), (376, 21935), (410, 20116), (428, 19270), (470, 17548), (535, 15416), (820, 10058), (856, 9635), (940, 8774), (1070, 7708), (1640, 5029), (1880, 4387), (1927, 4280), (2140, 3854)]