39479800

素因数分解:

$2^3\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1811}}^1$

素因数の和:1936

約数の個数: 48

約数和(自身を含む): 92683800

約数和(自身を除く): 53204000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 200, 218, 436, 545, 872, 1090, 1811, 2180, 2725, 3622, 4360, 5450, 7244, 9055, 10900, 14488, 18110, 21800, 36220, 45275, 72440, 90550, 181100, 197399, 362200, 394798, 789596, 986995, 1579192, 1973990, 3947980, 4934975, 7895960, 9869950, 19739900, 39479800]

約数ペア:

[(1, 39479800), (2, 19739900), (4, 9869950), (5, 7895960), (8, 4934975), (10, 3947980), (20, 1973990), (25, 1579192), (40, 986995), (50, 789596), (100, 394798), (109, 362200), (200, 197399), (218, 181100), (436, 90550), (545, 72440), (872, 45275), (1090, 36220), (1811, 21800), (2180, 18110), (2725, 14488), (3622, 10900), (4360, 9055), (5450, 7244)]