26862140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18917}}^1$

素因数の和:18997

約数の個数: 24

約数和(自身を含む): 57208032

約数和(自身を除く): 30345892

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 18917, 37834, 75668, 94585, 189170, 378340, 1343107, 2686214, 5372428, 6715535, 13431070, 26862140]

約数ペア:

[(1, 26862140), (2, 13431070), (4, 6715535), (5, 5372428), (10, 2686214), (20, 1343107), (71, 378340), (142, 189170), (284, 94585), (355, 75668), (710, 37834), (1420, 18917)]