16951280

素因数分解:

$2^4\times 5^1\times {\mathrm{211891}}^1$

素因数の和:211904

約数の個数: 20

約数和(自身を含む): 39411912

約数和(自身を除く): 22460632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211891, 423782, 847564, 1059455, 1695128, 2118910, 3390256, 4237820, 8475640, 16951280]

約数ペア:

[(1, 16951280), (2, 8475640), (4, 4237820), (5, 3390256), (8, 2118910), (10, 1695128), (16, 1059455), (20, 847564), (40, 423782), (80, 211891)]