81838060

素因数分解:

$2^2\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{2963}}^1$

素因数の和:4353

約数の個数: 24

約数和(自身を含む): 172042416

約数和(自身を除く): 90204356

約数列:

[1, 2, 4, 5, 10, 20, 1381, 2762, 2963, 5524, 5926, 6905, 11852, 13810, 14815, 27620, 29630, 59260, 4091903, 8183806, 16367612, 20459515, 40919030, 81838060]

約数ペア:

[(1, 81838060), (2, 40919030), (4, 20459515), (5, 16367612), (10, 8183806), (20, 4091903), (1381, 59260), (2762, 29630), (2963, 27620), (5524, 14815), (5926, 13810), (6905, 11852)]