2561600

素因数分解:

$2^6\times 5^2\times {\mathrm{1601}}^1$

素因数の和:1623

約数の個数: 42

約数和(自身を含む): 6307074

約数和(自身を除く): 3745474

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 1601, 3202, 6404, 8005, 12808, 16010, 25616, 32020, 40025, 51232, 64040, 80050, 102464, 128080, 160100, 256160, 320200, 512320, 640400, 1280800, 2561600]

約数ペア:

[(1, 2561600), (2, 1280800), (4, 640400), (5, 512320), (8, 320200), (10, 256160), (16, 160100), (20, 128080), (25, 102464), (32, 80050), (40, 64040), (50, 51232), (64, 40025), (80, 32020), (100, 25616), (160, 16010), (200, 12808), (320, 8005), (400, 6404), (800, 3202), (1600, 1601)]