82203440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{857}}^1$

素因数の和:990

約数の個数: 80

約数和(自身を含む): 210656160

約数和(自身を除く): 128452720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 109, 110, 176, 218, 220, 436, 440, 545, 857, 872, 880, 1090, 1199, 1714, 1744, 2180, 2398, 3428, 4285, 4360, 4796, 5995, 6856, 8570, 8720, 9427, 9592, 11990, 13712, 17140, 18854, 19184, 23980, 34280, 37708, 47135, 47960, 68560, 75416, 93413, 94270, 95920, 150832, 186826, 188540, 373652, 377080, 467065, 747304, 754160, 934130, 1027543, 1494608, 1868260, 2055086, 3736520, 4110172, 5137715, 7473040, 8220344, 10275430, 16440688, 20550860, 41101720, 82203440]

約数ペア:

[(1, 82203440), (2, 41101720), (4, 20550860), (5, 16440688), (8, 10275430), (10, 8220344), (11, 7473040), (16, 5137715), (20, 4110172), (22, 3736520), (40, 2055086), (44, 1868260), (55, 1494608), (80, 1027543), (88, 934130), (109, 754160), (110, 747304), (176, 467065), (218, 377080), (220, 373652), (436, 188540), (440, 186826), (545, 150832), (857, 95920), (872, 94270), (880, 93413), (1090, 75416), (1199, 68560), (1714, 47960), (1744, 47135), (2180, 37708), (2398, 34280), (3428, 23980), (4285, 19184), (4360, 18854), (4796, 17140), (5995, 13712), (6856, 11990), (8570, 9592), (8720, 9427)]