8710040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 20684160

約数和(自身を除く): 11974120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 47, 82, 94, 113, 164, 188, 205, 226, 235, 328, 376, 410, 452, 470, 565, 820, 904, 940, 1130, 1640, 1880, 1927, 2260, 3854, 4520, 4633, 5311, 7708, 9266, 9635, 10622, 15416, 18532, 19270, 21244, 23165, 26555, 37064, 38540, 42488, 46330, 53110, 77080, 92660, 106220, 185320, 212440, 217751, 435502, 871004, 1088755, 1742008, 2177510, 4355020, 8710040]

約数ペア:

[(1, 8710040), (2, 4355020), (4, 2177510), (5, 1742008), (8, 1088755), (10, 871004), (20, 435502), (40, 217751), (41, 212440), (47, 185320), (82, 106220), (94, 92660), (113, 77080), (164, 53110), (188, 46330), (205, 42488), (226, 38540), (235, 37064), (328, 26555), (376, 23165), (410, 21244), (452, 19270), (470, 18532), (565, 15416), (820, 10622), (904, 9635), (940, 9266), (1130, 7708), (1640, 5311), (1880, 4633), (1927, 4520), (2260, 3854)]