40428800

素因数分解:

$2^8\times 5^2\times {\mathrm{6317}}^1$

素因数の和:6343

約数の個数: 54

約数和(自身を含む): 100083438

約数和(自身を除く): 59654638

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, 6317, 6400, 12634, 25268, 31585, 50536, 63170, 101072, 126340, 157925, 202144, 252680, 315850, 404288, 505360, 631700, 808576, 1010720, 1263400, 1617152, 2021440, 2526800, 4042880, 5053600, 8085760, 10107200, 20214400, 40428800]

約数ペア:

[(1, 40428800), (2, 20214400), (4, 10107200), (5, 8085760), (8, 5053600), (10, 4042880), (16, 2526800), (20, 2021440), (25, 1617152), (32, 1263400), (40, 1010720), (50, 808576), (64, 631700), (80, 505360), (100, 404288), (128, 315850), (160, 252680), (200, 202144), (256, 157925), (320, 126340), (400, 101072), (640, 63170), (800, 50536), (1280, 31585), (1600, 25268), (3200, 12634), (6317, 6400)]