26872025

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:401

約数の個数: 24

約数和(自身を含む): 34503744

約数和(自身を除く): 7631719

約数列:

[1, 5, 25, 61, 67, 263, 305, 335, 1315, 1525, 1675, 4087, 6575, 16043, 17621, 20435, 80215, 88105, 102175, 401075, 440525, 1074881, 5374405, 26872025]

約数ペア:

[(1, 26872025), (5, 5374405), (25, 1074881), (61, 440525), (67, 401075), (263, 102175), (305, 88105), (335, 80215), (1315, 20435), (1525, 17621), (1675, 16043), (4087, 6575)]