13040540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{28349}}^1$

素因数の和:28381

約数の個数: 24

約数和(自身を含む): 28576800

約数和(自身を除く): 15536260

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 28349, 56698, 113396, 141745, 283490, 566980, 652027, 1304054, 2608108, 3260135, 6520270, 13040540]

約数ペア:

[(1, 13040540), (2, 6520270), (4, 3260135), (5, 2608108), (10, 1304054), (20, 652027), (23, 566980), (46, 283490), (92, 141745), (115, 113396), (230, 56698), (460, 28349)]