26491225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1297}}^1$

素因数の和:1369

約数の個数: 24

約数和(自身を含む): 35409440

約数和(自身を除く): 8918215

約数列:

[1, 5, 19, 25, 43, 95, 215, 475, 817, 1075, 1297, 4085, 6485, 20425, 24643, 32425, 55771, 123215, 278855, 616075, 1059649, 1394275, 5298245, 26491225]

約数ペア:

[(1, 26491225), (5, 5298245), (19, 1394275), (25, 1059649), (43, 616075), (95, 278855), (215, 123215), (475, 55771), (817, 32425), (1075, 24643), (1297, 20425), (4085, 6485)]