788971520

素因数分解:

$2^{14}\times 5^1\times {\mathrm{9631}}^1$

素因数の和:9664

約数の個数: 60

約数和(自身を含む): 1893670464

約数和(自身を除く): 1104698944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 4096, 5120, 8192, 9631, 10240, 16384, 19262, 20480, 38524, 40960, 48155, 77048, 81920, 96310, 154096, 192620, 308192, 385240, 616384, 770480, 1232768, 1540960, 2465536, 3081920, 4931072, 6163840, 9862144, 12327680, 19724288, 24655360, 39448576, 49310720, 78897152, 98621440, 157794304, 197242880, 394485760, 788971520]

約数ペア:

[(1, 788971520), (2, 394485760), (4, 197242880), (5, 157794304), (8, 98621440), (10, 78897152), (16, 49310720), (20, 39448576), (32, 24655360), (40, 19724288), (64, 12327680), (80, 9862144), (128, 6163840), (160, 4931072), (256, 3081920), (320, 2465536), (512, 1540960), (640, 1232768), (1024, 770480), (1280, 616384), (2048, 385240), (2560, 308192), (4096, 192620), (5120, 154096), (8192, 96310), (9631, 81920), (10240, 77048), (16384, 48155), (19262, 40960), (20480, 38524)]