123490580

素因数分解:

$2^2\times 5^1\times {\mathrm{1783}}^1\times {\mathrm{3463}}^1$

素因数の和:5255

約数の個数: 24

約数和(自身を含む): 259550592

約数和(自身を除く): 136060012

約数列:

[1, 2, 4, 5, 10, 20, 1783, 3463, 3566, 6926, 7132, 8915, 13852, 17315, 17830, 34630, 35660, 69260, 6174529, 12349058, 24698116, 30872645, 61745290, 123490580]

約数ペア:

[(1, 123490580), (2, 61745290), (4, 30872645), (5, 24698116), (10, 12349058), (20, 6174529), (1783, 69260), (3463, 35660), (3566, 34630), (6926, 17830), (7132, 17315), (8915, 13852)]