78080432

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{113489}}^1$

素因数の和:113540

約数の個数: 20

約数和(自身を含む): 154800360

約数和(自身を除く): 76719928

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 113489, 226978, 453956, 907912, 1815824, 4880027, 9760054, 19520108, 39040216, 78080432]

約数ペア:

[(1, 78080432), (2, 39040216), (4, 19520108), (8, 9760054), (16, 4880027), (43, 1815824), (86, 907912), (172, 453956), (344, 226978), (688, 113489)]