2561500

素因数分解:

$2^2\times 5^3\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:175

約数の個数: 48

約数和(自身を含む): 5765760

約数和(自身を除く): 3204260

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 109, 125, 188, 218, 235, 250, 436, 470, 500, 545, 940, 1090, 1175, 2180, 2350, 2725, 4700, 5123, 5450, 5875, 10246, 10900, 11750, 13625, 20492, 23500, 25615, 27250, 51230, 54500, 102460, 128075, 256150, 512300, 640375, 1280750, 2561500]

約数ペア:

[(1, 2561500), (2, 1280750), (4, 640375), (5, 512300), (10, 256150), (20, 128075), (25, 102460), (47, 54500), (50, 51230), (94, 27250), (100, 25615), (109, 23500), (125, 20492), (188, 13625), (218, 11750), (235, 10900), (250, 10246), (436, 5875), (470, 5450), (500, 5123), (545, 4700), (940, 2725), (1090, 2350), (1175, 2180)]