205512910

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{11657}}^1$

素因数の和:11748

約数の個数: 32

約数和(自身を含む): 387791712

約数和(自身を除く): 182278802

約数列:

[1, 2, 5, 10, 41, 43, 82, 86, 205, 215, 410, 430, 1763, 3526, 8815, 11657, 17630, 23314, 58285, 116570, 477937, 501251, 955874, 1002502, 2389685, 2506255, 4779370, 5012510, 20551291, 41102582, 102756455, 205512910]

約数ペア:

[(1, 205512910), (2, 102756455), (5, 41102582), (10, 20551291), (41, 5012510), (43, 4779370), (82, 2506255), (86, 2389685), (205, 1002502), (215, 955874), (410, 501251), (430, 477937), (1763, 116570), (3526, 58285), (8815, 23314), (11657, 17630)]