1345715200

素因数分解:

$2^{10}\times 5^2\times {\mathrm{52567}}^1$

素因数の和:52597

約数の個数: 66

約数和(自身を含む): 3335807576

約数和(自身を除く): 1990092376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2560, 3200, 5120, 6400, 12800, 25600, 52567, 105134, 210268, 262835, 420536, 525670, 841072, 1051340, 1314175, 1682144, 2102680, 2628350, 3364288, 4205360, 5256700, 6728576, 8410720, 10513400, 13457152, 16821440, 21026800, 26914304, 33642880, 42053600, 53828608, 67285760, 84107200, 134571520, 168214400, 269143040, 336428800, 672857600, 1345715200]

約数ペア:

[(1, 1345715200), (2, 672857600), (4, 336428800), (5, 269143040), (8, 168214400), (10, 134571520), (16, 84107200), (20, 67285760), (25, 53828608), (32, 42053600), (40, 33642880), (50, 26914304), (64, 21026800), (80, 16821440), (100, 13457152), (128, 10513400), (160, 8410720), (200, 6728576), (256, 5256700), (320, 4205360), (400, 3364288), (512, 2628350), (640, 2102680), (800, 1682144), (1024, 1314175), (1280, 1051340), (1600, 841072), (2560, 525670), (3200, 420536), (5120, 262835), (6400, 210268), (12800, 105134), (25600, 52567)]