8720270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67079}}^1$

素因数の和:67099

約数の個数: 16

約数和(自身を含む): 16904160

約数和(自身を除く): 8183890

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 67079, 134158, 335395, 670790, 872027, 1744054, 4360135, 8720270]

約数ペア:

[(1, 8720270), (2, 4360135), (5, 1744054), (10, 872027), (13, 670790), (26, 335395), (65, 134158), (130, 67079)]