2080454005

素因数分解:

$5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{61091}}^1$

素因数の和:61249

約数の個数: 24

約数和(自身を含む): 2925084960

約数和(自身を除く): 844630955

約数列:

[1, 5, 7, 35, 49, 139, 245, 695, 973, 4865, 6811, 34055, 61091, 305455, 427637, 2138185, 2993459, 8491649, 14967295, 42458245, 59441543, 297207715, 416090801, 2080454005]

約数ペア:

[(1, 2080454005), (5, 416090801), (7, 297207715), (35, 59441543), (49, 42458245), (139, 14967295), (245, 8491649), (695, 2993459), (973, 2138185), (4865, 427637), (6811, 305455), (34055, 61091)]