42125000

素因数分解:

$2^3\times 5^6\times {\mathrm{337}}^1$

素因数の和:373

約数の個数: 56

約数和(自身を含む): 99022170

約数和(自身を除く): 56897170

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 337, 500, 625, 674, 1000, 1250, 1348, 1685, 2500, 2696, 3125, 3370, 5000, 6250, 6740, 8425, 12500, 13480, 15625, 16850, 25000, 31250, 33700, 42125, 62500, 67400, 84250, 125000, 168500, 210625, 337000, 421250, 842500, 1053125, 1685000, 2106250, 4212500, 5265625, 8425000, 10531250, 21062500, 42125000]

約数ペア:

[(1, 42125000), (2, 21062500), (4, 10531250), (5, 8425000), (8, 5265625), (10, 4212500), (20, 2106250), (25, 1685000), (40, 1053125), (50, 842500), (100, 421250), (125, 337000), (200, 210625), (250, 168500), (337, 125000), (500, 84250), (625, 67400), (674, 62500), (1000, 42125), (1250, 33700), (1348, 31250), (1685, 25000), (2500, 16850), (2696, 15625), (3125, 13480), (3370, 12500), (5000, 8425), (6250, 6740)]