80078728

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{1777}}^1$

素因数の和:1957

約数の個数: 32

約数和(自身を含む): 154899360

約数和(自身を除く): 74820632

約数列:

[1, 2, 4, 8, 43, 86, 131, 172, 262, 344, 524, 1048, 1777, 3554, 5633, 7108, 11266, 14216, 22532, 45064, 76411, 152822, 232787, 305644, 465574, 611288, 931148, 1862296, 10009841, 20019682, 40039364, 80078728]

約数ペア:

[(1, 80078728), (2, 40039364), (4, 20019682), (8, 10009841), (43, 1862296), (86, 931148), (131, 611288), (172, 465574), (262, 305644), (344, 232787), (524, 152822), (1048, 76411), (1777, 45064), (3554, 22532), (5633, 14216), (7108, 11266)]