2885492020

素因数分解:

$2^2\times 5^1\times {\mathrm{144274601}}^1$

素因数の和:144274610

約数の個数: 12

約数和(自身を含む): 6059533284

約数和(自身を除く): 3174041264

約数列:

[1, 2, 4, 5, 10, 20, 144274601, 288549202, 577098404, 721373005, 1442746010, 2885492020]

約数ペア:

[(1, 2885492020), (2, 1442746010), (4, 721373005), (5, 577098404), (10, 288549202), (20, 144274601)]