86560840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1123}}^1$

素因数の和:1222

約数の個数: 64

約数和(自身を含む): 203938560

約数和(自身を除く): 117377720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 47, 82, 94, 164, 188, 205, 235, 328, 376, 410, 470, 820, 940, 1123, 1640, 1880, 1927, 2246, 3854, 4492, 5615, 7708, 8984, 9635, 11230, 15416, 19270, 22460, 38540, 44920, 46043, 52781, 77080, 92086, 105562, 184172, 211124, 230215, 263905, 368344, 422248, 460430, 527810, 920860, 1055620, 1841720, 2111240, 2164021, 4328042, 8656084, 10820105, 17312168, 21640210, 43280420, 86560840]

約数ペア:

[(1, 86560840), (2, 43280420), (4, 21640210), (5, 17312168), (8, 10820105), (10, 8656084), (20, 4328042), (40, 2164021), (41, 2111240), (47, 1841720), (82, 1055620), (94, 920860), (164, 527810), (188, 460430), (205, 422248), (235, 368344), (328, 263905), (376, 230215), (410, 211124), (470, 184172), (820, 105562), (940, 92086), (1123, 77080), (1640, 52781), (1880, 46043), (1927, 44920), (2246, 38540), (3854, 22460), (4492, 19270), (5615, 15416), (7708, 11230), (8984, 9635)]