66659540

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{32359}}^1$

素因数の和:32471

約数の個数: 24

約数和(自身を含む): 141348480

約数和(自身を除く): 74688940

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 32359, 64718, 129436, 161795, 323590, 647180, 3332977, 6665954, 13331908, 16664885, 33329770, 66659540]

約数ペア:

[(1, 66659540), (2, 33329770), (4, 16664885), (5, 13331908), (10, 6665954), (20, 3332977), (103, 647180), (206, 323590), (412, 161795), (515, 129436), (1030, 64718), (2060, 32359)]