68884780

素因数分解:

$2^2\times 5^1\times {\mathrm{947}}^1\times {\mathrm{3637}}^1$

素因数の和:4593

約数の個数: 24

約数和(自身を含む): 144850608

約数和(自身を除く): 75965828

約数列:

[1, 2, 4, 5, 10, 20, 947, 1894, 3637, 3788, 4735, 7274, 9470, 14548, 18185, 18940, 36370, 72740, 3444239, 6888478, 13776956, 17221195, 34442390, 68884780]

約数ペア:

[(1, 68884780), (2, 34442390), (4, 17221195), (5, 13776956), (10, 6888478), (20, 3444239), (947, 72740), (1894, 36370), (3637, 18940), (3788, 18185), (4735, 14548), (7274, 9470)]