128536000

素因数分解:

$2^6\times 5^3\times {\mathrm{16067}}^1$

素因数の和:16094

約数の個数: 56

約数和(自身を含む): 318339216

約数和(自身を除く): 189803216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 4000, 8000, 16067, 32134, 64268, 80335, 128536, 160670, 257072, 321340, 401675, 514144, 642680, 803350, 1028288, 1285360, 1606700, 2008375, 2570720, 3213400, 4016750, 5141440, 6426800, 8033500, 12853600, 16067000, 25707200, 32134000, 64268000, 128536000]

約数ペア:

[(1, 128536000), (2, 64268000), (4, 32134000), (5, 25707200), (8, 16067000), (10, 12853600), (16, 8033500), (20, 6426800), (25, 5141440), (32, 4016750), (40, 3213400), (50, 2570720), (64, 2008375), (80, 1606700), (100, 1285360), (125, 1028288), (160, 803350), (200, 642680), (250, 514144), (320, 401675), (400, 321340), (500, 257072), (800, 160670), (1000, 128536), (1600, 80335), (2000, 64268), (4000, 32134), (8000, 16067)]