20768000

素因数分解:

$2^8\times 5^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1$

素因数の和:101

約数の個数: 144

約数和(自身を含む): 57395520

約数和(自身を除く): 36627520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 59, 64, 80, 88, 100, 110, 118, 125, 128, 160, 176, 200, 220, 236, 250, 256, 275, 295, 320, 352, 400, 440, 472, 500, 550, 590, 640, 649, 704, 800, 880, 944, 1000, 1100, 1180, 1280, 1298, 1375, 1408, 1475, 1600, 1760, 1888, 2000, 2200, 2360, 2596, 2750, 2816, 2950, 3200, 3245, 3520, 3776, 4000, 4400, 4720, 5192, 5500, 5900, 6400, 6490, 7040, 7375, 7552, 8000, 8800, 9440, 10384, 11000, 11800, 12980, 14080, 14750, 15104, 16000, 16225, 17600, 18880, 20768, 22000, 23600, 25960, 29500, 32000, 32450, 35200, 37760, 41536, 44000, 47200, 51920, 59000, 64900, 70400, 75520, 81125, 83072, 88000, 94400, 103840, 118000, 129800, 162250, 166144, 176000, 188800, 207680, 236000, 259600, 324500, 352000, 377600, 415360, 472000, 519200, 649000, 830720, 944000, 1038400, 1298000, 1888000, 2076800, 2596000, 4153600, 5192000, 10384000, 20768000]

約数ペア:

[(1, 20768000), (2, 10384000), (4, 5192000), (5, 4153600), (8, 2596000), (10, 2076800), (11, 1888000), (16, 1298000), (20, 1038400), (22, 944000), (25, 830720), (32, 649000), (40, 519200), (44, 472000), (50, 415360), (55, 377600), (59, 352000), (64, 324500), (80, 259600), (88, 236000), (100, 207680), (110, 188800), (118, 176000), (125, 166144), (128, 162250), (160, 129800), (176, 118000), (200, 103840), (220, 94400), (236, 88000), (250, 83072), (256, 81125), (275, 75520), (295, 70400), (320, 64900), (352, 59000), (400, 51920), (440, 47200), (472, 44000), (500, 41536), (550, 37760), (590, 35200), (640, 32450), (649, 32000), (704, 29500), (800, 25960), (880, 23600), (944, 22000), (1000, 20768), (1100, 18880), (1180, 17600), (1280, 16225), (1298, 16000), (1375, 15104), (1408, 14750), (1475, 14080), (1600, 12980), (1760, 11800), (1888, 11000), (2000, 10384), (2200, 9440), (2360, 8800), (2596, 8000), (2750, 7552), (2816, 7375), (2950, 7040), (3200, 6490), (3245, 6400), (3520, 5900), (3776, 5500), (4000, 5192), (4400, 4720)]