2161510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1279}}^1$

素因数の和:1312

約数の個数: 24

約数和(自身を含む): 4216320

約数和(自身を除く): 2054810

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1279, 1690, 2558, 6395, 12790, 16627, 33254, 83135, 166270, 216151, 432302, 1080755, 2161510]

約数ペア:

[(1, 2161510), (2, 1080755), (5, 432302), (10, 216151), (13, 166270), (26, 83135), (65, 33254), (130, 16627), (169, 12790), (338, 6395), (845, 2558), (1279, 1690)]