6428000

素因数分解:

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

素因数の和:1632

約数の個数: 48

約数和(自身を含む): 15803424

約数和(自身を除く): 9375424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 1607, 2000, 3214, 4000, 6428, 8035, 12856, 16070, 25712, 32140, 40175, 51424, 64280, 80350, 128560, 160700, 200875, 257120, 321400, 401750, 642800, 803500, 1285600, 1607000, 3214000, 6428000]

約数ペア:

[(1, 6428000), (2, 3214000), (4, 1607000), (5, 1285600), (8, 803500), (10, 642800), (16, 401750), (20, 321400), (25, 257120), (32, 200875), (40, 160700), (50, 128560), (80, 80350), (100, 64280), (125, 51424), (160, 40175), (200, 32140), (250, 25712), (400, 16070), (500, 12856), (800, 8035), (1000, 6428), (1607, 4000), (2000, 3214)]