8142810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20879}}^1$

素因数の和:20902

約数の個数: 32

約数和(自身を含む): 21047040

約数和(自身を除く): 12904230

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20879, 41758, 62637, 104395, 125274, 208790, 271427, 313185, 542854, 626370, 814281, 1357135, 1628562, 2714270, 4071405, 8142810]

約数ペア:

[(1, 8142810), (2, 4071405), (3, 2714270), (5, 1628562), (6, 1357135), (10, 814281), (13, 626370), (15, 542854), (26, 313185), (30, 271427), (39, 208790), (65, 125274), (78, 104395), (130, 62637), (195, 41758), (390, 20879)]