2558140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9839}}^1$

素因数の和:9861

約数の個数: 24

約数和(自身を含む): 5785920

約数和(自身を除く): 3227780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 9839, 19678, 39356, 49195, 98390, 127907, 196780, 255814, 511628, 639535, 1279070, 2558140]

約数ペア:

[(1, 2558140), (2, 1279070), (4, 639535), (5, 511628), (10, 255814), (13, 196780), (20, 127907), (26, 98390), (52, 49195), (65, 39356), (130, 19678), (260, 9839)]