25712000

素因数分解:

$2^7\times 5^3\times {\mathrm{1607}}^1$

素因数の和:1636

約数の個数: 64

約数和(自身を含む): 63966240

約数和(自身を除く): 38254240

約数列:

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

約数ペア:

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