40493500

素因数分解:

$2^2\times 5^3\times {\mathrm{109}}^1\times {\mathrm{743}}^1$

素因数の和:871

約数の個数: 48

約数和(自身を含む): 89369280

約数和(自身を除く): 48875780

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 125, 218, 250, 436, 500, 545, 743, 1090, 1486, 2180, 2725, 2972, 3715, 5450, 7430, 10900, 13625, 14860, 18575, 27250, 37150, 54500, 74300, 80987, 92875, 161974, 185750, 323948, 371500, 404935, 809870, 1619740, 2024675, 4049350, 8098700, 10123375, 20246750, 40493500]

約数ペア:

[(1, 40493500), (2, 20246750), (4, 10123375), (5, 8098700), (10, 4049350), (20, 2024675), (25, 1619740), (50, 809870), (100, 404935), (109, 371500), (125, 323948), (218, 185750), (250, 161974), (436, 92875), (500, 80987), (545, 74300), (743, 54500), (1090, 37150), (1486, 27250), (2180, 18575), (2725, 14860), (2972, 13625), (3715, 10900), (5450, 7430)]