255150400

素因数分解:

$2^6\times 5^2\times {\mathrm{159469}}^1$

素因数の和:159491

約数の個数: 42

約数和(自身を含む): 627833390

約数和(自身を除く): 372682990

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 159469, 318938, 637876, 797345, 1275752, 1594690, 2551504, 3189380, 3986725, 5103008, 6378760, 7973450, 10206016, 12757520, 15946900, 25515040, 31893800, 51030080, 63787600, 127575200, 255150400]

約数ペア:

[(1, 255150400), (2, 127575200), (4, 63787600), (5, 51030080), (8, 31893800), (10, 25515040), (16, 15946900), (20, 12757520), (25, 10206016), (32, 7973450), (40, 6378760), (50, 5103008), (64, 3986725), (80, 3189380), (100, 2551504), (160, 1594690), (200, 1275752), (320, 797345), (400, 637876), (800, 318938), (1600, 159469)]