80816048

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{26171}}^1$

素因数の和:26372

約数の個数: 20

約数和(自身を含む): 157398408

約数和(自身を除く): 76582360

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 26171, 52342, 104684, 209368, 418736, 5051003, 10102006, 20204012, 40408024, 80816048]

約数ペア:

[(1, 80816048), (2, 40408024), (4, 20204012), (8, 10102006), (16, 5051003), (193, 418736), (386, 209368), (772, 104684), (1544, 52342), (3088, 26171)]