2041750400

素因数分解:

$2^7\times 5^2\times {\mathrm{638047}}^1$

素因数の和:638071

約数の個数: 48

約数和(自身を含む): 5043769440

約数和(自身を除く): 3002019040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 638047, 1276094, 2552188, 3190235, 5104376, 6380470, 10208752, 12760940, 15951175, 20417504, 25521880, 31902350, 40835008, 51043760, 63804700, 81670016, 102087520, 127609400, 204175040, 255218800, 408350080, 510437600, 1020875200, 2041750400]

約数ペア:

[(1, 2041750400), (2, 1020875200), (4, 510437600), (5, 408350080), (8, 255218800), (10, 204175040), (16, 127609400), (20, 102087520), (25, 81670016), (32, 63804700), (40, 51043760), (50, 40835008), (64, 31902350), (80, 25521880), (100, 20417504), (128, 15951175), (160, 12760940), (200, 10208752), (320, 6380470), (400, 5104376), (640, 3190235), (800, 2552188), (1600, 1276094), (3200, 638047)]