131118940

素因数分解:

$2^2\times 5^1\times {\mathrm{941}}^1\times {\mathrm{6967}}^1$

素因数の和:7917

約数の個数: 24

約数和(自身を含む): 275681952

約数和(自身を除く): 144563012

約数列:

[1, 2, 4, 5, 10, 20, 941, 1882, 3764, 4705, 6967, 9410, 13934, 18820, 27868, 34835, 69670, 139340, 6555947, 13111894, 26223788, 32779735, 65559470, 131118940]

約数ペア:

[(1, 131118940), (2, 65559470), (4, 32779735), (5, 26223788), (10, 13111894), (20, 6555947), (941, 139340), (1882, 69670), (3764, 34835), (4705, 27868), (6967, 18820), (9410, 13934)]