8261090

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20149}}^1$

素因数の和:20197

約数の個数: 16

約数和(自身を含む): 15233400

約数和(自身を除く): 6972310

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 20149, 40298, 100745, 201490, 826109, 1652218, 4130545, 8261090]

約数ペア:

[(1, 8261090), (2, 4130545), (5, 1652218), (10, 826109), (41, 201490), (82, 100745), (205, 40298), (410, 20149)]