5200442540

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{404389}}^1$

素因数の和:405041

約数の個数: 24

約数和(自身を含む): 10937940720

約数和(自身を除く): 5737498180

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 12860, 404389, 808778, 1617556, 2021945, 4043890, 8087780, 260022127, 520044254, 1040088508, 1300110635, 2600221270, 5200442540]

約数ペア:

[(1, 5200442540), (2, 2600221270), (4, 1300110635), (5, 1040088508), (10, 520044254), (20, 260022127), (643, 8087780), (1286, 4043890), (2572, 2021945), (3215, 1617556), (6430, 808778), (12860, 404389)]