82782020

素因数分解:

$2^2\times 5^1\times {\mathrm{4139101}}^1$

素因数の和:4139110

約数の個数: 12

約数和(自身を含む): 173842284

約数和(自身を除く): 91060264

約数列:

[1, 2, 4, 5, 10, 20, 4139101, 8278202, 16556404, 20695505, 41391010, 82782020]

約数ペア:

[(1, 82782020), (2, 41391010), (4, 20695505), (5, 16556404), (10, 8278202), (20, 4139101)]