25705615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 36058176

約数和(自身を除く): 10352561

約数列:

[1, 5, 13, 17, 43, 65, 85, 215, 221, 541, 559, 731, 1105, 2705, 2795, 3655, 7033, 9197, 9503, 23263, 35165, 45985, 47515, 116315, 119561, 302419, 395471, 597805, 1512095, 1977355, 5141123, 25705615]

約数ペア:

[(1, 25705615), (5, 5141123), (13, 1977355), (17, 1512095), (43, 597805), (65, 395471), (85, 302419), (215, 119561), (221, 116315), (541, 47515), (559, 45985), (731, 35165), (1105, 23263), (2705, 9503), (2795, 9197), (3655, 7033)]