51846400

素因数分解:

$2^8\times 5^2\times {\mathrm{8101}}^1$

素因数の和:8127

約数の個数: 54

約数和(自身を含む): 128343782

約数和(自身を除く): 76497382

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, 6400, 8101, 16202, 32404, 40505, 64808, 81010, 129616, 162020, 202525, 259232, 324040, 405050, 518464, 648080, 810100, 1036928, 1296160, 1620200, 2073856, 2592320, 3240400, 5184640, 6480800, 10369280, 12961600, 25923200, 51846400]

約数ペア:

[(1, 51846400), (2, 25923200), (4, 12961600), (5, 10369280), (8, 6480800), (10, 5184640), (16, 3240400), (20, 2592320), (25, 2073856), (32, 1620200), (40, 1296160), (50, 1036928), (64, 810100), (80, 648080), (100, 518464), (128, 405050), (160, 324040), (200, 259232), (256, 202525), (320, 162020), (400, 129616), (640, 81010), (800, 64808), (1280, 40505), (1600, 32404), (3200, 16202), (6400, 8101)]