25338755

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 36215424

約数和(自身を除く): 10876669

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 299, 391, 997, 1105, 1495, 1955, 4985, 5083, 12961, 16949, 22931, 25415, 64805, 84745, 114655, 220337, 298103, 389827, 1101685, 1490515, 1949135, 5067751, 25338755]

約数ペア:

[(1, 25338755), (5, 5067751), (13, 1949135), (17, 1490515), (23, 1101685), (65, 389827), (85, 298103), (115, 220337), (221, 114655), (299, 84745), (391, 64805), (997, 25415), (1105, 22931), (1495, 16949), (1955, 12961), (4985, 5083)]