12984320

素因数分解:

$2^{13}\times 5^1\times {\mathrm{317}}^1$

素因数の和:348

約数の個数: 56

約数和(自身を含む): 31258764

約数和(自身を除く): 18274444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 317, 320, 512, 634, 640, 1024, 1268, 1280, 1585, 2048, 2536, 2560, 3170, 4096, 5072, 5120, 6340, 8192, 10144, 10240, 12680, 20288, 20480, 25360, 40576, 40960, 50720, 81152, 101440, 162304, 202880, 324608, 405760, 649216, 811520, 1298432, 1623040, 2596864, 3246080, 6492160, 12984320]

約数ペア:

[(1, 12984320), (2, 6492160), (4, 3246080), (5, 2596864), (8, 1623040), (10, 1298432), (16, 811520), (20, 649216), (32, 405760), (40, 324608), (64, 202880), (80, 162304), (128, 101440), (160, 81152), (256, 50720), (317, 40960), (320, 40576), (512, 25360), (634, 20480), (640, 20288), (1024, 12680), (1268, 10240), (1280, 10144), (1585, 8192), (2048, 6340), (2536, 5120), (2560, 5072), (3170, 4096)]