8342800

素因数分解:

$2^4\times 5^2\times {\mathrm{20857}}^1$

素因数の和:20875

約数の個数: 30

約数和(自身を含む): 20044538

約数和(自身を除く): 11701738

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 20857, 41714, 83428, 104285, 166856, 208570, 333712, 417140, 521425, 834280, 1042850, 1668560, 2085700, 4171400, 8342800]

約数ペア:

[(1, 8342800), (2, 4171400), (4, 2085700), (5, 1668560), (8, 1042850), (10, 834280), (16, 521425), (20, 417140), (25, 333712), (40, 208570), (50, 166856), (80, 104285), (100, 83428), (200, 41714), (400, 20857)]