25890085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 35038080

約数和(自身を除く): 9147995

約数列:

[1, 5, 13, 43, 59, 65, 157, 215, 295, 559, 767, 785, 2041, 2537, 2795, 3835, 6751, 9263, 10205, 12685, 32981, 33755, 46315, 87763, 120419, 164905, 398309, 438815, 602095, 1991545, 5178017, 25890085]

約数ペア:

[(1, 25890085), (5, 5178017), (13, 1991545), (43, 602095), (59, 438815), (65, 398309), (157, 164905), (215, 120419), (295, 87763), (559, 46315), (767, 33755), (785, 32981), (2041, 12685), (2537, 10205), (2795, 9263), (3835, 6751)]