8781020

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6553}}^1$

素因数の和:6629

約数の個数: 24

約数和(自身を含む): 18718224

約数和(自身を除く): 9937204

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 6553, 13106, 26212, 32765, 65530, 131060, 439051, 878102, 1756204, 2195255, 4390510, 8781020]

約数ペア:

[(1, 8781020), (2, 4390510), (4, 2195255), (5, 1756204), (10, 878102), (20, 439051), (67, 131060), (134, 65530), (268, 32765), (335, 26212), (670, 13106), (1340, 6553)]