25423255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 38035872

約数和(自身を除く): 12612617

約数列:

[1, 5, 11, 13, 31, 37, 55, 65, 143, 155, 185, 341, 403, 407, 481, 715, 961, 1147, 1705, 2015, 2035, 2405, 4433, 4805, 5291, 5735, 10571, 12493, 12617, 14911, 22165, 26455, 35557, 52855, 62465, 63085, 74555, 137423, 164021, 177785, 391127, 462241, 687115, 820105, 1955635, 2311205, 5084651, 25423255]

約数ペア:

[(1, 25423255), (5, 5084651), (11, 2311205), (13, 1955635), (31, 820105), (37, 687115), (55, 462241), (65, 391127), (143, 177785), (155, 164021), (185, 137423), (341, 74555), (403, 63085), (407, 62465), (481, 52855), (715, 35557), (961, 26455), (1147, 22165), (1705, 14911), (2015, 12617), (2035, 12493), (2405, 10571), (4433, 5735), (4805, 5291)]