66980225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10847}}^1$

素因数の和:10889

約数の個数: 24

約数和(自身を含む): 94160640

約数和(自身を除く): 27180415

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 6175, 10847, 54235, 141011, 206093, 271175, 705055, 1030465, 2679209, 3525275, 5152325, 13396045, 66980225]

約数ペア:

[(1, 66980225), (5, 13396045), (13, 5152325), (19, 3525275), (25, 2679209), (65, 1030465), (95, 705055), (247, 271175), (325, 206093), (475, 141011), (1235, 54235), (6175, 10847)]