26857580

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9661}}^1$

素因数の和:9809

約数の個数: 24

約数和(自身を含む): 56812560

約数和(自身を除く): 29954980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 9661, 19322, 38644, 48305, 96610, 193220, 1342879, 2685758, 5371516, 6714395, 13428790, 26857580]

約数ペア:

[(1, 26857580), (2, 13428790), (4, 6714395), (5, 5371516), (10, 2685758), (20, 1342879), (139, 193220), (278, 96610), (556, 48305), (695, 38644), (1390, 19322), (2780, 9661)]