188931920

素因数分解:

$2^4\times 5^1\times {\mathrm{2361649}}^1$

素因数の和:2361662

約数の個数: 20

約数和(自身を含む): 439266900

約数和(自身を除く): 250334980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2361649, 4723298, 9446596, 11808245, 18893192, 23616490, 37786384, 47232980, 94465960, 188931920]

約数ペア:

[(1, 188931920), (2, 94465960), (4, 47232980), (5, 37786384), (8, 23616490), (10, 18893192), (16, 11808245), (20, 9446596), (40, 4723298), (80, 2361649)]