66104620

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{7529}}^1$

素因数の和:7977

約数の個数: 24

約数和(自身を含む): 139154400

約数和(自身を除く): 73049780

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 7529, 8780, 15058, 30116, 37645, 75290, 150580, 3305231, 6610462, 13220924, 16526155, 33052310, 66104620]

約数ペア:

[(1, 66104620), (2, 33052310), (4, 16526155), (5, 13220924), (10, 6610462), (20, 3305231), (439, 150580), (878, 75290), (1756, 37645), (2195, 30116), (4390, 15058), (7529, 8780)]