222611920

素因数分解:

$2^4\times 5^1\times {\mathrm{2782649}}^1$

素因数の和:2782662

約数の個数: 20

約数和(自身を含む): 517572900

約数和(自身を除く): 294960980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2782649, 5565298, 11130596, 13913245, 22261192, 27826490, 44522384, 55652980, 111305960, 222611920]

約数ペア:

[(1, 222611920), (2, 111305960), (4, 55652980), (5, 44522384), (8, 27826490), (10, 22261192), (16, 13913245), (20, 11130596), (40, 5565298), (80, 2782649)]