51428800

素因数分解:

$2^6\times 5^2\times {\mathrm{32143}}^1$

素因数の和:32165

約数の個数: 42

約数和(自身を含む): 126550928

約数和(自身を除く): 75122128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 32143, 64286, 128572, 160715, 257144, 321430, 514288, 642860, 803575, 1028576, 1285720, 1607150, 2057152, 2571440, 3214300, 5142880, 6428600, 10285760, 12857200, 25714400, 51428800]

約数ペア:

[(1, 51428800), (2, 25714400), (4, 12857200), (5, 10285760), (8, 6428600), (10, 5142880), (16, 3214300), (20, 2571440), (25, 2057152), (32, 1607150), (40, 1285720), (50, 1028576), (64, 803575), (80, 642860), (100, 514288), (160, 321430), (200, 257144), (320, 160715), (400, 128572), (800, 64286), (1600, 32143)]