217076770180

素因数分解:

$2^2\times 5^1\times {\mathrm{10853838509}}^1$

素因数の和:10853838518

約数の個数: 12

約数和(自身を含む): 455861217420

約数和(自身を除く): 238784447240

約数列:

[1, 2, 4, 5, 10, 20, 10853838509, 21707677018, 43415354036, 54269192545, 108538385090, 217076770180]

約数ペア:

[(1, 217076770180), (2, 108538385090), (4, 54269192545), (5, 43415354036), (10, 21707677018), (20, 10853838509)]