11805980

素因数分解:

$2^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{821}}^1$

素因数の和:1549

約数の個数: 24

約数和(自身を含む): 24857280

約数和(自身を除く): 13051300

約数列:

[1, 2, 4, 5, 10, 20, 719, 821, 1438, 1642, 2876, 3284, 3595, 4105, 7190, 8210, 14380, 16420, 590299, 1180598, 2361196, 2951495, 5902990, 11805980]

約数ペア:

[(1, 11805980), (2, 5902990), (4, 2951495), (5, 2361196), (10, 1180598), (20, 590299), (719, 16420), (821, 14380), (1438, 8210), (1642, 7190), (2876, 4105), (3284, 3595)]