268538140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1032839}}^1$

素因数の和:1032861

約数の個数: 24

約数和(自身を含む): 607309920

約数和(自身を除く): 338771780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1032839, 2065678, 4131356, 5164195, 10328390, 13426907, 20656780, 26853814, 53707628, 67134535, 134269070, 268538140]

約数ペア:

[(1, 268538140), (2, 134269070), (4, 67134535), (5, 53707628), (10, 26853814), (13, 20656780), (20, 13426907), (26, 10328390), (52, 5164195), (65, 4131356), (130, 2065678), (260, 1032839)]