28460800

素因数分解:

$2^8\times 5^2\times {\mathrm{4447}}^1$

素因数の和:4473

約数の個数: 54

約数和(自身を含む): 70460768

約数和(自身を除く): 41999968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 4447, 6400, 8894, 17788, 22235, 35576, 44470, 71152, 88940, 111175, 142304, 177880, 222350, 284608, 355760, 444700, 569216, 711520, 889400, 1138432, 1423040, 1778800, 2846080, 3557600, 5692160, 7115200, 14230400, 28460800]

約数ペア:

[(1, 28460800), (2, 14230400), (4, 7115200), (5, 5692160), (8, 3557600), (10, 2846080), (16, 1778800), (20, 1423040), (25, 1138432), (32, 889400), (40, 711520), (50, 569216), (64, 444700), (80, 355760), (100, 284608), (128, 222350), (160, 177880), (200, 142304), (256, 111175), (320, 88940), (400, 71152), (640, 44470), (800, 35576), (1280, 22235), (1600, 17788), (3200, 8894), (4447, 6400)]