64265260

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{23117}}^1$

素因数の和:23265

約数の個数: 24

約数和(自身を含む): 135933840

約数和(自身を除く): 71668580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 23117, 46234, 92468, 115585, 231170, 462340, 3213263, 6426526, 12853052, 16066315, 32132630, 64265260]

約数ペア:

[(1, 64265260), (2, 32132630), (4, 16066315), (5, 12853052), (10, 6426526), (20, 3213263), (139, 462340), (278, 231170), (556, 115585), (695, 92468), (1390, 46234), (2780, 23117)]