17191280

素因数分解:

$2^4\times 5^1\times {\mathrm{214891}}^1$

素因数の和:214904

約数の個数: 20

約数和(自身を含む): 39969912

約数和(自身を除く): 22778632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 214891, 429782, 859564, 1074455, 1719128, 2148910, 3438256, 4297820, 8595640, 17191280]

約数ペア:

[(1, 17191280), (2, 8595640), (4, 4297820), (5, 3438256), (8, 2148910), (10, 1719128), (16, 1074455), (20, 859564), (40, 429782), (80, 214891)]