80147956

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20593}}^1$

素因数の和:20743

約数の個数: 24

約数和(自身を含む): 161456960

約数和(自身を除く): 81309004

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 20593, 41186, 82372, 144151, 288302, 576604, 2862427, 5724854, 11449708, 20036989, 40073978, 80147956]

約数ペア:

[(1, 80147956), (2, 40073978), (4, 20036989), (7, 11449708), (14, 5724854), (28, 2862427), (139, 576604), (278, 288302), (556, 144151), (973, 82372), (1946, 41186), (3892, 20593)]