66585580

素因数分解:

$2^2\times 5^1\times {\mathrm{1499}}^1\times {\mathrm{2221}}^1$

素因数の和:3729

約数の個数: 24

約数和(自身を含む): 139986000

約数和(自身を除く): 73400420

約数列:

[1, 2, 4, 5, 10, 20, 1499, 2221, 2998, 4442, 5996, 7495, 8884, 11105, 14990, 22210, 29980, 44420, 3329279, 6658558, 13317116, 16646395, 33292790, 66585580]

約数ペア:

[(1, 66585580), (2, 33292790), (4, 16646395), (5, 13317116), (10, 6658558), (20, 3329279), (1499, 44420), (2221, 29980), (2998, 22210), (4442, 14990), (5996, 11105), (7495, 8884)]