16380205

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1621}}^1$

素因数の和:1716

約数の個数: 16

約数和(自身を含む): 20553984

約数和(自身を除く): 4173779

約数列:

[1, 5, 43, 47, 215, 235, 1621, 2021, 8105, 10105, 69703, 76187, 348515, 380935, 3276041, 16380205]

約数ペア:

[(1, 16380205), (5, 3276041), (43, 380935), (47, 348515), (215, 76187), (235, 69703), (1621, 10105), (2021, 8105)]