868240

素因数分解:

$2^4\times 5^1\times {\mathrm{10853}}^1$

素因数の和:10866

約数の個数: 20

約数和(自身を含む): 2018844

約数和(自身を除く): 1150604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10853, 21706, 43412, 54265, 86824, 108530, 173648, 217060, 434120, 868240]

約数ペア:

[(1, 868240), (2, 434120), (4, 217060), (5, 173648), (8, 108530), (10, 86824), (16, 54265), (20, 43412), (40, 21706), (80, 10853)]