80779555

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^2$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 101712240

約数和(自身を除く): 20932685

約数列:

[1, 5, 59, 61, 67, 295, 305, 335, 3599, 3953, 4087, 4489, 17995, 19765, 20435, 22445, 241133, 264851, 273829, 1205665, 1324255, 1369145, 16155911, 80779555]

約数ペア:

[(1, 80779555), (5, 16155911), (59, 1369145), (61, 1324255), (67, 1205665), (295, 273829), (305, 264851), (335, 241133), (3599, 22445), (3953, 20435), (4087, 19765), (4489, 17995)]