17912080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:224

約数の個数: 80

約数和(自身を含む): 43997184

約数和(自身を除く): 26085104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 43, 80, 82, 86, 127, 164, 172, 205, 215, 254, 328, 344, 410, 430, 508, 635, 656, 688, 820, 860, 1016, 1270, 1640, 1720, 1763, 2032, 2540, 3280, 3440, 3526, 5080, 5207, 5461, 7052, 8815, 10160, 10414, 10922, 14104, 17630, 20828, 21844, 26035, 27305, 28208, 35260, 41656, 43688, 52070, 54610, 70520, 83312, 87376, 104140, 109220, 141040, 208280, 218440, 223901, 416560, 436880, 447802, 895604, 1119505, 1791208, 2239010, 3582416, 4478020, 8956040, 17912080]

約数ペア:

[(1, 17912080), (2, 8956040), (4, 4478020), (5, 3582416), (8, 2239010), (10, 1791208), (16, 1119505), (20, 895604), (40, 447802), (41, 436880), (43, 416560), (80, 223901), (82, 218440), (86, 208280), (127, 141040), (164, 109220), (172, 104140), (205, 87376), (215, 83312), (254, 70520), (328, 54610), (344, 52070), (410, 43688), (430, 41656), (508, 35260), (635, 28208), (656, 27305), (688, 26035), (820, 21844), (860, 20828), (1016, 17630), (1270, 14104), (1640, 10922), (1720, 10414), (1763, 10160), (2032, 8815), (2540, 7052), (3280, 5461), (3440, 5207), (3526, 5080)]