128230400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{5009}}^1$

素因数の和:5039

約数の個数: 66

約数和(自身を含む): 317919570

約数和(自身を除く): 189689170

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, 5009, 5120, 6400, 10018, 12800, 20036, 25045, 25600, 40072, 50090, 80144, 100180, 125225, 160288, 200360, 250450, 320576, 400720, 500900, 641152, 801440, 1001800, 1282304, 1602880, 2003600, 2564608, 3205760, 4007200, 5129216, 6411520, 8014400, 12823040, 16028800, 25646080, 32057600, 64115200, 128230400]

約数ペア:

[(1, 128230400), (2, 64115200), (4, 32057600), (5, 25646080), (8, 16028800), (10, 12823040), (16, 8014400), (20, 6411520), (25, 5129216), (32, 4007200), (40, 3205760), (50, 2564608), (64, 2003600), (80, 1602880), (100, 1282304), (128, 1001800), (160, 801440), (200, 641152), (256, 500900), (320, 400720), (400, 320576), (512, 250450), (640, 200360), (800, 160288), (1024, 125225), (1280, 100180), (1600, 80144), (2560, 50090), (3200, 40072), (5009, 25600), (5120, 25045), (6400, 20036), (10018, 12800)]