20296000

素因数分解:

$2^6\times 5^3\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 112

約数和(自身を含む): 52303680

約数和(自身を除く): 32007680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 59, 64, 80, 86, 100, 118, 125, 160, 172, 200, 215, 236, 250, 295, 320, 344, 400, 430, 472, 500, 590, 688, 800, 860, 944, 1000, 1075, 1180, 1376, 1475, 1600, 1720, 1888, 2000, 2150, 2360, 2537, 2752, 2950, 3440, 3776, 4000, 4300, 4720, 5074, 5375, 5900, 6880, 7375, 8000, 8600, 9440, 10148, 10750, 11800, 12685, 13760, 14750, 17200, 18880, 20296, 21500, 23600, 25370, 29500, 34400, 40592, 43000, 47200, 50740, 59000, 63425, 68800, 81184, 86000, 94400, 101480, 118000, 126850, 162368, 172000, 202960, 236000, 253700, 317125, 344000, 405920, 472000, 507400, 634250, 811840, 1014800, 1268500, 2029600, 2537000, 4059200, 5074000, 10148000, 20296000]

約数ペア:

[(1, 20296000), (2, 10148000), (4, 5074000), (5, 4059200), (8, 2537000), (10, 2029600), (16, 1268500), (20, 1014800), (25, 811840), (32, 634250), (40, 507400), (43, 472000), (50, 405920), (59, 344000), (64, 317125), (80, 253700), (86, 236000), (100, 202960), (118, 172000), (125, 162368), (160, 126850), (172, 118000), (200, 101480), (215, 94400), (236, 86000), (250, 81184), (295, 68800), (320, 63425), (344, 59000), (400, 50740), (430, 47200), (472, 43000), (500, 40592), (590, 34400), (688, 29500), (800, 25370), (860, 23600), (944, 21500), (1000, 20296), (1075, 18880), (1180, 17200), (1376, 14750), (1475, 13760), (1600, 12685), (1720, 11800), (1888, 10750), (2000, 10148), (2150, 9440), (2360, 8600), (2537, 8000), (2752, 7375), (2950, 6880), (3440, 5900), (3776, 5375), (4000, 5074), (4300, 4720)]