81076000

素因数分解:

$2^5\times 5^3\times {\mathrm{20269}}^1$

素因数の和:20294

約数の個数: 48

約数和(自身を含む): 199213560

約数和(自身を除く): 118137560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 20269, 40538, 81076, 101345, 162152, 202690, 324304, 405380, 506725, 648608, 810760, 1013450, 1621520, 2026900, 2533625, 3243040, 4053800, 5067250, 8107600, 10134500, 16215200, 20269000, 40538000, 81076000]

約数ペア:

[(1, 81076000), (2, 40538000), (4, 20269000), (5, 16215200), (8, 10134500), (10, 8107600), (16, 5067250), (20, 4053800), (25, 3243040), (32, 2533625), (40, 2026900), (50, 1621520), (80, 1013450), (100, 810760), (125, 648608), (160, 506725), (200, 405380), (250, 324304), (400, 202690), (500, 162152), (800, 101345), (1000, 81076), (2000, 40538), (4000, 20269)]