25830400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{1009}}^1$

素因数の和:1039

約数の個数: 66

約数和(自身を含む): 64091570

約数和(自身を除く): 38261170

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, 1009, 1024, 1280, 1600, 2018, 2560, 3200, 4036, 5045, 5120, 6400, 8072, 10090, 12800, 16144, 20180, 25225, 25600, 32288, 40360, 50450, 64576, 80720, 100900, 129152, 161440, 201800, 258304, 322880, 403600, 516608, 645760, 807200, 1033216, 1291520, 1614400, 2583040, 3228800, 5166080, 6457600, 12915200, 25830400]

約数ペア:

[(1, 25830400), (2, 12915200), (4, 6457600), (5, 5166080), (8, 3228800), (10, 2583040), (16, 1614400), (20, 1291520), (25, 1033216), (32, 807200), (40, 645760), (50, 516608), (64, 403600), (80, 322880), (100, 258304), (128, 201800), (160, 161440), (200, 129152), (256, 100900), (320, 80720), (400, 64576), (512, 50450), (640, 40360), (800, 32288), (1009, 25600), (1024, 25225), (1280, 20180), (1600, 16144), (2018, 12800), (2560, 10090), (3200, 8072), (4036, 6400), (5045, 5120)]