1225528025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{8243}}^1$

素因数の和:8585

約数の個数: 24

約数和(自身を含む): 1604941920

約数和(自身を除く): 379413895

約数列:

[1, 5, 19, 25, 95, 313, 475, 1565, 5947, 7825, 8243, 29735, 41215, 148675, 156617, 206075, 783085, 2580059, 3915425, 12900295, 49021121, 64501475, 245105605, 1225528025]

約数ペア:

[(1, 1225528025), (5, 245105605), (19, 64501475), (25, 49021121), (95, 12900295), (313, 3915425), (475, 2580059), (1565, 783085), (5947, 206075), (7825, 156617), (8243, 148675), (29735, 41215)]