123408860

素因数分解:

$2^2\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{4787}}^1$

素因数の和:6085

約数の個数: 24

約数和(自身を含む): 259413840

約数和(自身を除く): 136004980

約数列:

[1, 2, 4, 5, 10, 20, 1289, 2578, 4787, 5156, 6445, 9574, 12890, 19148, 23935, 25780, 47870, 95740, 6170443, 12340886, 24681772, 30852215, 61704430, 123408860]

約数ペア:

[(1, 123408860), (2, 61704430), (4, 30852215), (5, 24681772), (10, 12340886), (20, 6170443), (1289, 95740), (2578, 47870), (4787, 25780), (5156, 23935), (6445, 19148), (9574, 12890)]