2008504420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7725017}}^1$

素因数の和:7725039

約数の個数: 24

約数和(自身を含む): 4542310584

約数和(自身を除く): 2533806164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7725017, 15450034, 30900068, 38625085, 77250170, 100425221, 154500340, 200850442, 401700884, 502126105, 1004252210, 2008504420]

約数ペア:

[(1, 2008504420), (2, 1004252210), (4, 502126105), (5, 401700884), (10, 200850442), (13, 154500340), (20, 100425221), (26, 77250170), (52, 38625085), (65, 30900068), (130, 15450034), (260, 7725017)]