51660800

素因数分解:

$2^{11}\times 5^2\times {\mathrm{1009}}^1$

素因数の和:1041

約数の個数: 72

約数和(自身を含む): 128214450

約数和(自身を除く): 76553650

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, 2048, 2560, 3200, 4036, 5045, 5120, 6400, 8072, 10090, 10240, 12800, 16144, 20180, 25225, 25600, 32288, 40360, 50450, 51200, 64576, 80720, 100900, 129152, 161440, 201800, 258304, 322880, 403600, 516608, 645760, 807200, 1033216, 1291520, 1614400, 2066432, 2583040, 3228800, 5166080, 6457600, 10332160, 12915200, 25830400, 51660800]

約数ペア:

[(1, 51660800), (2, 25830400), (4, 12915200), (5, 10332160), (8, 6457600), (10, 5166080), (16, 3228800), (20, 2583040), (25, 2066432), (32, 1614400), (40, 1291520), (50, 1033216), (64, 807200), (80, 645760), (100, 516608), (128, 403600), (160, 322880), (200, 258304), (256, 201800), (320, 161440), (400, 129152), (512, 100900), (640, 80720), (800, 64576), (1009, 51200), (1024, 50450), (1280, 40360), (1600, 32288), (2018, 25600), (2048, 25225), (2560, 20180), (3200, 16144), (4036, 12800), (5045, 10240), (5120, 10090), (6400, 8072)]