8581025

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 11130240

約数和(自身を除く): 2549215

約数列:

[1, 5, 25, 47, 67, 109, 235, 335, 545, 1175, 1675, 2725, 3149, 5123, 7303, 15745, 25615, 36515, 78725, 128075, 182575, 343241, 1716205, 8581025]

約数ペア:

[(1, 8581025), (5, 1716205), (25, 343241), (47, 182575), (67, 128075), (109, 78725), (235, 36515), (335, 25615), (545, 15745), (1175, 7303), (1675, 5123), (2725, 3149)]