11155640

素因数分解:

$2^3\times 5^1\times {\mathrm{278891}}^1$

素因数の和:278902

約数の個数: 16

約数和(自身を含む): 25100280

約数和(自身を除く): 13944640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 278891, 557782, 1115564, 1394455, 2231128, 2788910, 5577820, 11155640]

約数ペア:

[(1, 11155640), (2, 5577820), (4, 2788910), (5, 2231128), (8, 1394455), (10, 1115564), (20, 557782), (40, 278891)]