81160730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{28279}}^1$

素因数の和:28334

約数の個数: 32

約数和(自身を含む): 171037440

約数和(自身を除く): 89876710

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 28279, 56558, 141395, 197953, 282790, 395906, 989765, 1159439, 1979530, 2318878, 5797195, 8116073, 11594390, 16232146, 40580365, 81160730]

約数ペア:

[(1, 81160730), (2, 40580365), (5, 16232146), (7, 11594390), (10, 8116073), (14, 5797195), (35, 2318878), (41, 1979530), (70, 1159439), (82, 989765), (205, 395906), (287, 282790), (410, 197953), (574, 141395), (1435, 56558), (2870, 28279)]