2555600

素因数分解:

$2^4\times 5^2\times {\mathrm{6389}}^1$

素因数の和:6407

約数の個数: 30

約数和(自身を含む): 6140790

約数和(自身を除く): 3585190

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 6389, 12778, 25556, 31945, 51112, 63890, 102224, 127780, 159725, 255560, 319450, 511120, 638900, 1277800, 2555600]

約数ペア:

[(1, 2555600), (2, 1277800), (4, 638900), (5, 511120), (8, 319450), (10, 255560), (16, 159725), (20, 127780), (25, 102224), (40, 63890), (50, 51112), (80, 31945), (100, 25556), (200, 12778), (400, 6389)]