65128780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{112291}}^1$

素因数の和:112329

約数の個数: 24

約数和(自身を含む): 141487920

約数和(自身を除く): 76359140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 112291, 224582, 449164, 561455, 1122910, 2245820, 3256439, 6512878, 13025756, 16282195, 32564390, 65128780]

約数ペア:

[(1, 65128780), (2, 32564390), (4, 16282195), (5, 13025756), (10, 6512878), (20, 3256439), (29, 2245820), (58, 1122910), (116, 561455), (145, 449164), (290, 224582), (580, 112291)]