86561004080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{286171}}^1$

素因数の和:286402

約数の個数: 80

約数和(自身を含む): 212911968000

約数和(自身を除く): 126350963920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 199, 304, 380, 398, 760, 796, 995, 1520, 1592, 1990, 3184, 3781, 3980, 7562, 7960, 15124, 15920, 18905, 30248, 37810, 60496, 75620, 151240, 286171, 302480, 572342, 1144684, 1430855, 2289368, 2861710, 4578736, 5437249, 5723420, 10874498, 11446840, 21748996, 22893680, 27186245, 43497992, 54372490, 56948029, 86995984, 108744980, 113896058, 217489960, 227792116, 284740145, 434979920, 455584232, 569480290, 911168464, 1082012551, 1138960580, 2164025102, 2277921160, 4328050204, 4555842320, 5410062755, 8656100408, 10820125510, 17312200816, 21640251020, 43280502040, 86561004080]

約数ペア:

[(1, 86561004080), (2, 43280502040), (4, 21640251020), (5, 17312200816), (8, 10820125510), (10, 8656100408), (16, 5410062755), (19, 4555842320), (20, 4328050204), (38, 2277921160), (40, 2164025102), (76, 1138960580), (80, 1082012551), (95, 911168464), (152, 569480290), (190, 455584232), (199, 434979920), (304, 284740145), (380, 227792116), (398, 217489960), (760, 113896058), (796, 108744980), (995, 86995984), (1520, 56948029), (1592, 54372490), (1990, 43497992), (3184, 27186245), (3781, 22893680), (3980, 21748996), (7562, 11446840), (7960, 10874498), (15124, 5723420), (15920, 5437249), (18905, 4578736), (30248, 2861710), (37810, 2289368), (60496, 1430855), (75620, 1144684), (151240, 572342), (286171, 302480)]