20161910080

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{15289}}^1$

素因数の和:15636

約数の個数: 112

約数和(自身を含む): 51870162960

約数和(自身を除く): 31708252880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 317, 320, 416, 520, 634, 832, 1040, 1268, 1585, 2080, 2536, 3170, 4121, 4160, 5072, 6340, 8242, 10144, 12680, 15289, 16484, 20288, 20605, 25360, 30578, 32968, 41210, 50720, 61156, 65936, 76445, 82420, 101440, 122312, 131872, 152890, 164840, 198757, 244624, 263744, 305780, 329680, 397514, 489248, 611560, 659360, 795028, 978496, 993785, 1223120, 1318720, 1590056, 1987570, 2446240, 3180112, 3975140, 4846613, 4892480, 6360224, 7950280, 9693226, 12720448, 15900560, 19386452, 24233065, 31801120, 38772904, 48466130, 63005969, 63602240, 77545808, 96932260, 126011938, 155091616, 193864520, 252023876, 310183232, 315029845, 387729040, 504047752, 630059690, 775458080, 1008095504, 1260119380, 1550916160, 2016191008, 2520238760, 4032382016, 5040477520, 10080955040, 20161910080]

約数ペア:

[(1, 20161910080), (2, 10080955040), (4, 5040477520), (5, 4032382016), (8, 2520238760), (10, 2016191008), (13, 1550916160), (16, 1260119380), (20, 1008095504), (26, 775458080), (32, 630059690), (40, 504047752), (52, 387729040), (64, 315029845), (65, 310183232), (80, 252023876), (104, 193864520), (130, 155091616), (160, 126011938), (208, 96932260), (260, 77545808), (317, 63602240), (320, 63005969), (416, 48466130), (520, 38772904), (634, 31801120), (832, 24233065), (1040, 19386452), (1268, 15900560), (1585, 12720448), (2080, 9693226), (2536, 7950280), (3170, 6360224), (4121, 4892480), (4160, 4846613), (5072, 3975140), (6340, 3180112), (8242, 2446240), (10144, 1987570), (12680, 1590056), (15289, 1318720), (16484, 1223120), (20288, 993785), (20605, 978496), (25360, 795028), (30578, 659360), (32968, 611560), (41210, 489248), (50720, 397514), (61156, 329680), (65936, 305780), (76445, 263744), (82420, 244624), (101440, 198757), (122312, 164840), (131872, 152890)]