25621990400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{1000859}}^1$

素因数の和:1000889

約数の個数: 66

約数和(自身を含む): 63511573020

約数和(自身を除く): 37889582620

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, 1000859, 2001718, 4003436, 5004295, 8006872, 10008590, 16013744, 20017180, 25021475, 32027488, 40034360, 50042950, 64054976, 80068720, 100085900, 128109952, 160137440, 200171800, 256219904, 320274880, 400343600, 512439808, 640549760, 800687200, 1024879616, 1281099520, 1601374400, 2562199040, 3202748800, 5124398080, 6405497600, 12810995200, 25621990400]

約数ペア:

[(1, 25621990400), (2, 12810995200), (4, 6405497600), (5, 5124398080), (8, 3202748800), (10, 2562199040), (16, 1601374400), (20, 1281099520), (25, 1024879616), (32, 800687200), (40, 640549760), (50, 512439808), (64, 400343600), (80, 320274880), (100, 256219904), (128, 200171800), (160, 160137440), (200, 128109952), (256, 100085900), (320, 80068720), (400, 64054976), (512, 50042950), (640, 40034360), (800, 32027488), (1024, 25021475), (1280, 20017180), (1600, 16013744), (2560, 10008590), (3200, 8006872), (5120, 5004295), (6400, 4003436), (12800, 2001718), (25600, 1000859)]