64921600

素因数分解:

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

素因数の和:353

約数の個数: 84

約数和(自身を含む): 161503614

約数和(自身を除く): 96582014

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 317, 320, 400, 512, 634, 640, 800, 1024, 1268, 1280, 1585, 1600, 2048, 2536, 2560, 3170, 3200, 4096, 5072, 5120, 6340, 6400, 7925, 8192, 10144, 10240, 12680, 12800, 15850, 20288, 20480, 25360, 25600, 31700, 40576, 40960, 50720, 51200, 63400, 81152, 101440, 102400, 126800, 162304, 202880, 204800, 253600, 324608, 405760, 507200, 649216, 811520, 1014400, 1298432, 1623040, 2028800, 2596864, 3246080, 4057600, 6492160, 8115200, 12984320, 16230400, 32460800, 64921600]

約数ペア:

[(1, 64921600), (2, 32460800), (4, 16230400), (5, 12984320), (8, 8115200), (10, 6492160), (16, 4057600), (20, 3246080), (25, 2596864), (32, 2028800), (40, 1623040), (50, 1298432), (64, 1014400), (80, 811520), (100, 649216), (128, 507200), (160, 405760), (200, 324608), (256, 253600), (317, 204800), (320, 202880), (400, 162304), (512, 126800), (634, 102400), (640, 101440), (800, 81152), (1024, 63400), (1268, 51200), (1280, 50720), (1585, 40960), (1600, 40576), (2048, 31700), (2536, 25600), (2560, 25360), (3170, 20480), (3200, 20288), (4096, 15850), (5072, 12800), (5120, 12680), (6340, 10240), (6400, 10144), (7925, 8192)]