68289020

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{24923}}^1$

素因数の和:25069

約数の個数: 24

約数和(自身を含む): 144459504

約数和(自身を除く): 76170484

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 24923, 49846, 99692, 124615, 249230, 498460, 3414451, 6828902, 13657804, 17072255, 34144510, 68289020]

約数ペア:

[(1, 68289020), (2, 34144510), (4, 17072255), (5, 13657804), (10, 6828902), (20, 3414451), (137, 498460), (274, 249230), (548, 124615), (685, 99692), (1370, 49846), (2740, 24923)]