80908025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{294211}}^1$

素因数の和:294232

約数の個数: 12

約数和(自身を含む): 109446864

約数和(自身を除く): 28538839

約数列:

[1, 5, 11, 25, 55, 275, 294211, 1471055, 3236321, 7355275, 16181605, 80908025]

約数ペア:

[(1, 80908025), (5, 16181605), (11, 7355275), (25, 3236321), (55, 1471055), (275, 294211)]