8554780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2531}}^1$

素因数の和:2566

約数の個数: 36

約数和(自身を含む): 19460952

約数和(自身を除く): 10906172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2531, 3380, 5062, 10124, 12655, 25310, 32903, 50620, 65806, 131612, 164515, 329030, 427739, 658060, 855478, 1710956, 2138695, 4277390, 8554780]

約数ペア:

[(1, 8554780), (2, 4277390), (4, 2138695), (5, 1710956), (10, 855478), (13, 658060), (20, 427739), (26, 329030), (52, 164515), (65, 131612), (130, 65806), (169, 50620), (260, 32903), (338, 25310), (676, 12655), (845, 10124), (1690, 5062), (2531, 3380)]