203671280

素因数分解:

$2^4\times 5^1\times {\mathrm{2545891}}^1$

素因数の和:2545904

約数の個数: 20

約数和(自身を含む): 473535912

約数和(自身を除く): 269864632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2545891, 5091782, 10183564, 12729455, 20367128, 25458910, 40734256, 50917820, 101835640, 203671280]

約数ペア:

[(1, 203671280), (2, 101835640), (4, 50917820), (5, 40734256), (8, 25458910), (10, 20367128), (16, 12729455), (20, 10183564), (40, 5091782), (80, 2545891)]