86939120

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:382

約数の個数: 80

約数和(自身を含む): 209510400

約数和(自身を除く): 122571280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 127, 172, 199, 215, 254, 344, 398, 430, 508, 635, 688, 796, 860, 995, 1016, 1270, 1592, 1720, 1990, 2032, 2540, 3184, 3440, 3980, 5080, 5461, 7960, 8557, 10160, 10922, 15920, 17114, 21844, 25273, 27305, 34228, 42785, 43688, 50546, 54610, 68456, 85570, 87376, 101092, 109220, 126365, 136912, 171140, 202184, 218440, 252730, 342280, 404368, 436880, 505460, 684560, 1010920, 1086739, 2021840, 2173478, 4346956, 5433695, 8693912, 10867390, 17387824, 21734780, 43469560, 86939120]

約数ペア:

[(1, 86939120), (2, 43469560), (4, 21734780), (5, 17387824), (8, 10867390), (10, 8693912), (16, 5433695), (20, 4346956), (40, 2173478), (43, 2021840), (80, 1086739), (86, 1010920), (127, 684560), (172, 505460), (199, 436880), (215, 404368), (254, 342280), (344, 252730), (398, 218440), (430, 202184), (508, 171140), (635, 136912), (688, 126365), (796, 109220), (860, 101092), (995, 87376), (1016, 85570), (1270, 68456), (1592, 54610), (1720, 50546), (1990, 43688), (2032, 42785), (2540, 34228), (3184, 27305), (3440, 25273), (3980, 21844), (5080, 17114), (5461, 15920), (7960, 10922), (8557, 10160)]