42664025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{89819}}^1$

素因数の和:89848

約数の個数: 12

約数和(自身を含む): 55688400

約数和(自身を除く): 13024375

約数列:

[1, 5, 19, 25, 95, 475, 89819, 449095, 1706561, 2245475, 8532805, 42664025]

約数ペア:

[(1, 42664025), (5, 8532805), (19, 2245475), (25, 1706561), (95, 449095), (475, 89819)]