54657580

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{19661}}^1$

素因数の和:19809

約数の個数: 24

約数和(自身を含む): 115612560

約数和(自身を除く): 60954980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 19661, 39322, 78644, 98305, 196610, 393220, 2732879, 5465758, 10931516, 13664395, 27328790, 54657580]

約数ペア:

[(1, 54657580), (2, 27328790), (4, 13664395), (5, 10931516), (10, 5465758), (20, 2732879), (139, 393220), (278, 196610), (556, 98305), (695, 78644), (1390, 39322), (2780, 19661)]