16138900

素因数分解:

$2^2\times 5^2\times {\mathrm{199}}^1\times {\mathrm{811}}^1$

素因数の和:1024

約数の個数: 36

約数和(自身を含む): 35240800

約数和(自身を除く): 19101900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 199, 398, 796, 811, 995, 1622, 1990, 3244, 3980, 4055, 4975, 8110, 9950, 16220, 19900, 20275, 40550, 81100, 161389, 322778, 645556, 806945, 1613890, 3227780, 4034725, 8069450, 16138900]

約数ペア:

[(1, 16138900), (2, 8069450), (4, 4034725), (5, 3227780), (10, 1613890), (20, 806945), (25, 645556), (50, 322778), (100, 161389), (199, 81100), (398, 40550), (796, 20275), (811, 19900), (995, 16220), (1622, 9950), (1990, 8110), (3244, 4975), (3980, 4055)]