81329975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3643}}^1$

素因数の和:3719

約数の個数: 24

約数和(自身を含む): 108445440

約数和(自身を除く): 27115465

約数列:

[1, 5, 19, 25, 47, 95, 235, 475, 893, 1175, 3643, 4465, 18215, 22325, 69217, 91075, 171221, 346085, 856105, 1730425, 3253199, 4280525, 16265995, 81329975]

約数ペア:

[(1, 81329975), (5, 16265995), (19, 4280525), (25, 3253199), (47, 1730425), (95, 856105), (235, 346085), (475, 171221), (893, 91075), (1175, 69217), (3643, 22325), (4465, 18215)]