16438000

素因数分解:

$2^4\times 5^3\times {\mathrm{8219}}^1$

素因数の和:8242

約数の個数: 40

約数和(自身を含む): 39751920

約数和(自身を除く): 23313920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 8219, 16438, 32876, 41095, 65752, 82190, 131504, 164380, 205475, 328760, 410950, 657520, 821900, 1027375, 1643800, 2054750, 3287600, 4109500, 8219000, 16438000]

約数ペア:

[(1, 16438000), (2, 8219000), (4, 4109500), (5, 3287600), (8, 2054750), (10, 1643800), (16, 1027375), (20, 821900), (25, 657520), (40, 410950), (50, 328760), (80, 205475), (100, 164380), (125, 131504), (200, 82190), (250, 65752), (400, 41095), (500, 32876), (1000, 16438), (2000, 8219)]