64017175

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{439}}^1$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 84022400

約数和(自身を除く): 20005225

約数列:

[1, 5, 19, 25, 95, 307, 439, 475, 1535, 2195, 5833, 7675, 8341, 10975, 29165, 41705, 134773, 145825, 208525, 673865, 2560687, 3369325, 12803435, 64017175]

約数ペア:

[(1, 64017175), (5, 12803435), (19, 3369325), (25, 2560687), (95, 673865), (307, 208525), (439, 145825), (475, 134773), (1535, 41705), (2195, 29165), (5833, 10975), (7675, 8341)]