25920616

素因数分解:

$2^3\times {\mathrm{643}}^1\times {\mathrm{5039}}^1$

素因数の和:5688

約数の個数: 16

約数和(自身を含む): 48686400

約数和(自身を除く): 22765784

約数列:

[1, 2, 4, 8, 643, 1286, 2572, 5039, 5144, 10078, 20156, 40312, 3240077, 6480154, 12960308, 25920616]

約数ペア:

[(1, 25920616), (2, 12960308), (4, 6480154), (8, 3240077), (643, 40312), (1286, 20156), (2572, 10078), (5039, 5144)]