66904360

素因数分解:

$2^3\times 5^1\times {\mathrm{1672609}}^1$

素因数の和:1672620

約数の個数: 16

約数和(自身を含む): 150534900

約数和(自身を除く): 83630540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1672609, 3345218, 6690436, 8363045, 13380872, 16726090, 33452180, 66904360]

約数ペア:

[(1, 66904360), (2, 33452180), (4, 16726090), (5, 13380872), (8, 8363045), (10, 6690436), (20, 3345218), (40, 1672609)]