25570805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 35580384

約数和(自身を除く): 10009579

約数列:

[1, 5, 13, 17, 65, 73, 85, 221, 317, 365, 949, 1105, 1241, 1585, 4121, 4745, 5389, 6205, 16133, 20605, 23141, 26945, 70057, 80665, 115705, 300833, 350285, 393397, 1504165, 1966985, 5114161, 25570805]

約数ペア:

[(1, 25570805), (5, 5114161), (13, 1966985), (17, 1504165), (65, 393397), (73, 350285), (85, 300833), (221, 115705), (317, 80665), (365, 70057), (949, 26945), (1105, 23141), (1241, 20605), (1585, 16133), (4121, 6205), (4745, 5389)]