13025500

素因数分解:

$2^2\times 5^3\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:367

約数の個数: 48

約数和(自身を含む): 28828800

約数和(自身を除く): 15803300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 125, 218, 239, 250, 436, 478, 500, 545, 956, 1090, 1195, 2180, 2390, 2725, 4780, 5450, 5975, 10900, 11950, 13625, 23900, 26051, 27250, 29875, 52102, 54500, 59750, 104204, 119500, 130255, 260510, 521020, 651275, 1302550, 2605100, 3256375, 6512750, 13025500]

約数ペア:

[(1, 13025500), (2, 6512750), (4, 3256375), (5, 2605100), (10, 1302550), (20, 651275), (25, 521020), (50, 260510), (100, 130255), (109, 119500), (125, 104204), (218, 59750), (239, 54500), (250, 52102), (436, 29875), (478, 27250), (500, 26051), (545, 23900), (956, 13625), (1090, 11950), (1195, 10900), (2180, 5975), (2390, 5450), (2725, 4780)]