129222020

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{28463}}^1$

素因数の和:28699

約数の個数: 24

約数和(自身を含む): 272571264

約数和(自身を除く): 143349244

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 28463, 56926, 113852, 142315, 284630, 569260, 6461101, 12922202, 25844404, 32305505, 64611010, 129222020]

約数ペア:

[(1, 129222020), (2, 64611010), (4, 32305505), (5, 25844404), (10, 12922202), (20, 6461101), (227, 569260), (454, 284630), (908, 142315), (1135, 113852), (2270, 56926), (4540, 28463)]