27440570

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{20947}}^1$

素因数の和:21085

約数の個数: 16

約数和(自身を含む): 49772448

約数和(自身を除く): 22331878

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 20947, 41894, 104735, 209470, 2744057, 5488114, 13720285, 27440570]

約数ペア:

[(1, 27440570), (2, 13720285), (5, 5488114), (10, 2744057), (131, 209470), (262, 104735), (655, 41894), (1310, 20947)]