12720678025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{46257011}}^1$

素因数の和:46257032

約数の個数: 12

約数和(自身を含む): 17207608464

約数和(自身を除く): 4486930439

約数列:

[1, 5, 11, 25, 55, 275, 46257011, 231285055, 508827121, 1156425275, 2544135605, 12720678025]

約数ペア:

[(1, 12720678025), (5, 2544135605), (11, 1156425275), (25, 508827121), (55, 231285055), (275, 46257011)]