51424000

素因数分解:

$2^8\times 5^3\times {\mathrm{1607}}^1$

素因数の和:1638

約数の個数: 72

約数和(自身を含む): 128183328

約数和(自身を除く): 76759328

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, 500, 640, 800, 1000, 1280, 1600, 1607, 2000, 3200, 3214, 4000, 6400, 6428, 8000, 8035, 12856, 16000, 16070, 25712, 32000, 32140, 40175, 51424, 64280, 80350, 102848, 128560, 160700, 200875, 205696, 257120, 321400, 401750, 411392, 514240, 642800, 803500, 1028480, 1285600, 1607000, 2056960, 2571200, 3214000, 5142400, 6428000, 10284800, 12856000, 25712000, 51424000]

約数ペア:

[(1, 51424000), (2, 25712000), (4, 12856000), (5, 10284800), (8, 6428000), (10, 5142400), (16, 3214000), (20, 2571200), (25, 2056960), (32, 1607000), (40, 1285600), (50, 1028480), (64, 803500), (80, 642800), (100, 514240), (125, 411392), (128, 401750), (160, 321400), (200, 257120), (250, 205696), (256, 200875), (320, 160700), (400, 128560), (500, 102848), (640, 80350), (800, 64280), (1000, 51424), (1280, 40175), (1600, 32140), (1607, 32000), (2000, 25712), (3200, 16070), (3214, 16000), (4000, 12856), (6400, 8035), (6428, 8000)]