201616000

素因数分解:

$2^7\times 5^3\times {\mathrm{12601}}^1$

素因数の和:12630

約数の個数: 64

約数和(自身を含む): 501307560

約数和(自身を除く): 299691560

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, 2000, 3200, 4000, 8000, 12601, 16000, 25202, 50404, 63005, 100808, 126010, 201616, 252020, 315025, 403232, 504040, 630050, 806464, 1008080, 1260100, 1575125, 1612928, 2016160, 2520200, 3150250, 4032320, 5040400, 6300500, 8064640, 10080800, 12601000, 20161600, 25202000, 40323200, 50404000, 100808000, 201616000]

約数ペア:

[(1, 201616000), (2, 100808000), (4, 50404000), (5, 40323200), (8, 25202000), (10, 20161600), (16, 12601000), (20, 10080800), (25, 8064640), (32, 6300500), (40, 5040400), (50, 4032320), (64, 3150250), (80, 2520200), (100, 2016160), (125, 1612928), (128, 1575125), (160, 1260100), (200, 1008080), (250, 806464), (320, 630050), (400, 504040), (500, 403232), (640, 315025), (800, 252020), (1000, 201616), (1600, 126010), (2000, 100808), (3200, 63005), (4000, 50404), (8000, 25202), (12601, 16000)]