28404070

素因数分解:

$2^1\times 5^1\times {\mathrm{1361}}^1\times {\mathrm{2087}}^1$

素因数の和:3455

約数の個数: 16

約数和(自身を含む): 51189408

約数和(自身を除く): 22785338

約数列:

[1, 2, 5, 10, 1361, 2087, 2722, 4174, 6805, 10435, 13610, 20870, 2840407, 5680814, 14202035, 28404070]

約数ペア:

[(1, 28404070), (2, 14202035), (5, 5680814), (10, 2840407), (1361, 20870), (2087, 13610), (2722, 10435), (4174, 6805)]