63872000

素因数分解:

$2^{10}\times 5^3\times {\mathrm{499}}^1$

素因数の和:534

約数の個数: 88

約数和(自身を含む): 159666000

約数和(自身を除く): 95794000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 499, 500, 512, 640, 800, 998, 1000, 1024, 1280, 1600, 1996, 2000, 2495, 2560, 3200, 3992, 4000, 4990, 5120, 6400, 7984, 8000, 9980, 12475, 12800, 15968, 16000, 19960, 24950, 25600, 31936, 32000, 39920, 49900, 62375, 63872, 64000, 79840, 99800, 124750, 127744, 128000, 159680, 199600, 249500, 255488, 319360, 399200, 499000, 510976, 638720, 798400, 998000, 1277440, 1596800, 1996000, 2554880, 3193600, 3992000, 6387200, 7984000, 12774400, 15968000, 31936000, 63872000]

約数ペア:

[(1, 63872000), (2, 31936000), (4, 15968000), (5, 12774400), (8, 7984000), (10, 6387200), (16, 3992000), (20, 3193600), (25, 2554880), (32, 1996000), (40, 1596800), (50, 1277440), (64, 998000), (80, 798400), (100, 638720), (125, 510976), (128, 499000), (160, 399200), (200, 319360), (250, 255488), (256, 249500), (320, 199600), (400, 159680), (499, 128000), (500, 127744), (512, 124750), (640, 99800), (800, 79840), (998, 64000), (1000, 63872), (1024, 62375), (1280, 49900), (1600, 39920), (1996, 32000), (2000, 31936), (2495, 25600), (2560, 24950), (3200, 19960), (3992, 16000), (4000, 15968), (4990, 12800), (5120, 12475), (6400, 9980), (7984, 8000)]