85283440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{487}}^1$

素因数の和:710

約数の個数: 80

約数和(自身を含む): 217843200

約数和(自身を除く): 132559760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 199, 220, 398, 440, 487, 796, 880, 974, 995, 1592, 1948, 1990, 2189, 2435, 3184, 3896, 3980, 4378, 4870, 5357, 7792, 7960, 8756, 9740, 10714, 10945, 15920, 17512, 19480, 21428, 21890, 26785, 35024, 38960, 42856, 43780, 53570, 85712, 87560, 96913, 107140, 175120, 193826, 214280, 387652, 428560, 484565, 775304, 969130, 1066043, 1550608, 1938260, 2132086, 3876520, 4264172, 5330215, 7753040, 8528344, 10660430, 17056688, 21320860, 42641720, 85283440]

約数ペア:

[(1, 85283440), (2, 42641720), (4, 21320860), (5, 17056688), (8, 10660430), (10, 8528344), (11, 7753040), (16, 5330215), (20, 4264172), (22, 3876520), (40, 2132086), (44, 1938260), (55, 1550608), (80, 1066043), (88, 969130), (110, 775304), (176, 484565), (199, 428560), (220, 387652), (398, 214280), (440, 193826), (487, 175120), (796, 107140), (880, 96913), (974, 87560), (995, 85712), (1592, 53570), (1948, 43780), (1990, 42856), (2189, 38960), (2435, 35024), (3184, 26785), (3896, 21890), (3980, 21428), (4378, 19480), (4870, 17512), (5357, 15920), (7792, 10945), (7960, 10714), (8756, 9740)]