13891840

素因数分解:

$2^8\times 5^1\times {\mathrm{10853}}^1$

素因数の和:10874

約数の個数: 36

約数和(自身を含む): 33278364

約数和(自身を除く): 19386524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 10853, 21706, 43412, 54265, 86824, 108530, 173648, 217060, 347296, 434120, 694592, 868240, 1389184, 1736480, 2778368, 3472960, 6945920, 13891840]

約数ペア:

[(1, 13891840), (2, 6945920), (4, 3472960), (5, 2778368), (8, 1736480), (10, 1389184), (16, 868240), (20, 694592), (32, 434120), (40, 347296), (64, 217060), (80, 173648), (128, 108530), (160, 86824), (256, 54265), (320, 43412), (640, 21706), (1280, 10853)]