81400356610

素因数分解:

$2^1\times 5^1\times {\mathrm{3943}}^1\times {\mathrm{2064427}}^1$

素因数の和:2068377

約数の個数: 16

約数和(自身を含む): 146557872576

約数和(自身を除く): 65157515966

約数列:

[1, 2, 5, 10, 3943, 7886, 19715, 39430, 2064427, 4128854, 10322135, 20644270, 8140035661, 16280071322, 40700178305, 81400356610]

約数ペア:

[(1, 81400356610), (2, 40700178305), (5, 16280071322), (10, 8140035661), (3943, 20644270), (7886, 10322135), (19715, 4128854), (39430, 2064427)]