51888640

素因数分解:

$2^9\times 5^1\times {\mathrm{20269}}^1$

素因数の和:20292

約数の個数: 40

約数和(自身を含む): 124417260

約数和(自身を除く): 72528620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 20269, 40538, 81076, 101345, 162152, 202690, 324304, 405380, 648608, 810760, 1297216, 1621520, 2594432, 3243040, 5188864, 6486080, 10377728, 12972160, 25944320, 51888640]

約数ペア:

[(1, 51888640), (2, 25944320), (4, 12972160), (5, 10377728), (8, 6486080), (10, 5188864), (16, 3243040), (20, 2594432), (32, 1621520), (40, 1297216), (64, 810760), (80, 648608), (128, 405380), (160, 324304), (256, 202690), (320, 162152), (512, 101345), (640, 81076), (1280, 40538), (2560, 20269)]