51896000

素因数分解:

$2^6\times 5^3\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:539

約数の個数: 112

約数和(自身を含む): 138684000

約数和(自身を除く): 86788000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 130, 160, 200, 208, 250, 260, 320, 325, 400, 416, 499, 500, 520, 650, 800, 832, 998, 1000, 1040, 1300, 1600, 1625, 1996, 2000, 2080, 2495, 2600, 3250, 3992, 4000, 4160, 4990, 5200, 6487, 6500, 7984, 8000, 9980, 10400, 12475, 12974, 13000, 15968, 19960, 20800, 24950, 25948, 26000, 31936, 32435, 39920, 49900, 51896, 52000, 62375, 64870, 79840, 99800, 103792, 104000, 124750, 129740, 159680, 162175, 199600, 207584, 249500, 259480, 324350, 399200, 415168, 499000, 518960, 648700, 798400, 810875, 998000, 1037920, 1297400, 1621750, 1996000, 2075840, 2594800, 3243500, 3992000, 5189600, 6487000, 10379200, 12974000, 25948000, 51896000]

約数ペア:

[(1, 51896000), (2, 25948000), (4, 12974000), (5, 10379200), (8, 6487000), (10, 5189600), (13, 3992000), (16, 3243500), (20, 2594800), (25, 2075840), (26, 1996000), (32, 1621750), (40, 1297400), (50, 1037920), (52, 998000), (64, 810875), (65, 798400), (80, 648700), (100, 518960), (104, 499000), (125, 415168), (130, 399200), (160, 324350), (200, 259480), (208, 249500), (250, 207584), (260, 199600), (320, 162175), (325, 159680), (400, 129740), (416, 124750), (499, 104000), (500, 103792), (520, 99800), (650, 79840), (800, 64870), (832, 62375), (998, 52000), (1000, 51896), (1040, 49900), (1300, 39920), (1600, 32435), (1625, 31936), (1996, 26000), (2000, 25948), (2080, 24950), (2495, 20800), (2600, 19960), (3250, 15968), (3992, 13000), (4000, 12974), (4160, 12475), (4990, 10400), (5200, 9980), (6487, 8000), (6500, 7984)]