72697580

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{5653}}^1$

素因数の和:6305

約数の個数: 24

約数和(自身を含む): 152929392

約数和(自身を除く): 80231812

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 5653, 6430, 11306, 12860, 22612, 28265, 56530, 113060, 3634879, 7269758, 14539516, 18174395, 36348790, 72697580]

約数ペア:

[(1, 72697580), (2, 36348790), (4, 18174395), (5, 14539516), (10, 7269758), (20, 3634879), (643, 113060), (1286, 56530), (2572, 28265), (3215, 22612), (5653, 12860), (6430, 11306)]