164380000

素因数分解:

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

素因数の和:8249

約数の個数: 60

約数和(自身を含む): 404448660

約数和(自身を除く): 240068660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2500, 4000, 5000, 8219, 10000, 16438, 20000, 32876, 41095, 65752, 82190, 131504, 164380, 205475, 263008, 328760, 410950, 657520, 821900, 1027375, 1315040, 1643800, 2054750, 3287600, 4109500, 5136875, 6575200, 8219000, 10273750, 16438000, 20547500, 32876000, 41095000, 82190000, 164380000]

約数ペア:

[(1, 164380000), (2, 82190000), (4, 41095000), (5, 32876000), (8, 20547500), (10, 16438000), (16, 10273750), (20, 8219000), (25, 6575200), (32, 5136875), (40, 4109500), (50, 3287600), (80, 2054750), (100, 1643800), (125, 1315040), (160, 1027375), (200, 821900), (250, 657520), (400, 410950), (500, 328760), (625, 263008), (800, 205475), (1000, 164380), (1250, 131504), (2000, 82190), (2500, 65752), (4000, 41095), (5000, 32876), (8219, 20000), (10000, 16438)]