12826040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7457}}^1$

素因数の和:7511

約数の個数: 32

約数和(自身を含む): 29533680

約数和(自身を除く): 16707640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 7457, 14914, 29828, 37285, 59656, 74570, 149140, 298280, 320651, 641302, 1282604, 1603255, 2565208, 3206510, 6413020, 12826040]

約数ペア:

[(1, 12826040), (2, 6413020), (4, 3206510), (5, 2565208), (8, 1603255), (10, 1282604), (20, 641302), (40, 320651), (43, 298280), (86, 149140), (172, 74570), (215, 59656), (344, 37285), (430, 29828), (860, 14914), (1720, 7457)]