40408144

素因数分解:

$2^4\times 7^3\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:265

約数の個数: 80

約数和(自身を含む): 94240000

約数和(自身を除く): 53831856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 49, 56, 74, 98, 112, 148, 196, 199, 259, 296, 343, 392, 398, 518, 592, 686, 784, 796, 1036, 1372, 1393, 1592, 1813, 2072, 2744, 2786, 3184, 3626, 4144, 5488, 5572, 7252, 7363, 9751, 11144, 12691, 14504, 14726, 19502, 22288, 25382, 29008, 29452, 39004, 50764, 51541, 58904, 68257, 78008, 101528, 103082, 117808, 136514, 156016, 203056, 206164, 273028, 360787, 412328, 546056, 721574, 824656, 1092112, 1443148, 2525509, 2886296, 5051018, 5772592, 10102036, 20204072, 40408144]

約数ペア:

[(1, 40408144), (2, 20204072), (4, 10102036), (7, 5772592), (8, 5051018), (14, 2886296), (16, 2525509), (28, 1443148), (37, 1092112), (49, 824656), (56, 721574), (74, 546056), (98, 412328), (112, 360787), (148, 273028), (196, 206164), (199, 203056), (259, 156016), (296, 136514), (343, 117808), (392, 103082), (398, 101528), (518, 78008), (592, 68257), (686, 58904), (784, 51541), (796, 50764), (1036, 39004), (1372, 29452), (1393, 29008), (1592, 25382), (1813, 22288), (2072, 19502), (2744, 14726), (2786, 14504), (3184, 12691), (3626, 11144), (4144, 9751), (5488, 7363), (5572, 7252)]