128796725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{683}}^1$

素因数の和:1109

約数の個数: 24

約数和(自身を含む): 168783840

約数和(自身を除く): 39987115

約数列:

[1, 5, 19, 25, 95, 397, 475, 683, 1985, 3415, 7543, 9925, 12977, 17075, 37715, 64885, 188575, 271151, 324425, 1355755, 5151869, 6778775, 25759345, 128796725]

約数ペア:

[(1, 128796725), (5, 25759345), (19, 6778775), (25, 5151869), (95, 1355755), (397, 324425), (475, 271151), (683, 188575), (1985, 64885), (3415, 37715), (7543, 17075), (9925, 12977)]