90840775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1013}}^1$

素因数の和:1251

約数の個数: 24

約数和(自身を含む): 119952144

約数和(自身を除く): 29111369

約数列:

[1, 5, 17, 25, 85, 211, 425, 1013, 1055, 3587, 5065, 5275, 17221, 17935, 25325, 86105, 89675, 213743, 430525, 1068715, 3633631, 5343575, 18168155, 90840775]

約数ペア:

[(1, 90840775), (5, 18168155), (17, 5343575), (25, 3633631), (85, 1068715), (211, 430525), (425, 213743), (1013, 89675), (1055, 86105), (3587, 25325), (5065, 17935), (5275, 17221)]