81005525

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{54919}}^1$

素因数の和:54988

約数の個数: 12

約数和(自身を含む): 102151200

約数和(自身を除く): 21145675

約数列:

[1, 5, 25, 59, 295, 1475, 54919, 274595, 1372975, 3240221, 16201105, 81005525]

約数ペア:

[(1, 81005525), (5, 16201105), (25, 3240221), (59, 1372975), (295, 274595), (1475, 54919)]