4221820220

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{319351}}^1$

素因数の和:320021

約数の個数: 24

約数和(自身を含む): 8879263008

約数和(自身を除く): 4657442788

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 6610, 13220, 319351, 638702, 1277404, 1596755, 3193510, 6387020, 211091011, 422182022, 844364044, 1055455055, 2110910110, 4221820220]

約数ペア:

[(1, 4221820220), (2, 2110910110), (4, 1055455055), (5, 844364044), (10, 422182022), (20, 211091011), (661, 6387020), (1322, 3193510), (2644, 1596755), (3305, 1277404), (6610, 638702), (13220, 319351)]