390481083220

素因数分解:

$2^2\times 5^1\times {\mathrm{19524054161}}^1$

素因数の和:19524054170

約数の個数: 12

約数和(自身を含む): 820010274804

約数和(自身を除く): 429529191584

約数列:

[1, 2, 4, 5, 10, 20, 19524054161, 39048108322, 78096216644, 97620270805, 195240541610, 390481083220]

約数ペア:

[(1, 390481083220), (2, 195240541610), (4, 97620270805), (5, 78096216644), (10, 39048108322), (20, 19524054161)]