12786500

素因数分解:

$2^2\times 5^3\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:365

約数の個数: 48

約数和(自身を含む): 28304640

約数和(自身を除く): 15518140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 125, 214, 239, 250, 428, 478, 500, 535, 956, 1070, 1195, 2140, 2390, 2675, 4780, 5350, 5975, 10700, 11950, 13375, 23900, 25573, 26750, 29875, 51146, 53500, 59750, 102292, 119500, 127865, 255730, 511460, 639325, 1278650, 2557300, 3196625, 6393250, 12786500]

約数ペア:

[(1, 12786500), (2, 6393250), (4, 3196625), (5, 2557300), (10, 1278650), (20, 639325), (25, 511460), (50, 255730), (100, 127865), (107, 119500), (125, 102292), (214, 59750), (239, 53500), (250, 51146), (428, 29875), (478, 26750), (500, 25573), (535, 23900), (956, 13375), (1070, 11950), (1195, 10700), (2140, 5975), (2390, 5350), (2675, 4780)]