87120085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{8537}}^1$

素因数の和:8712

約数の個数: 16

約数和(自身を含む): 113316336

約数和(自身を除く): 26196251

約数列:

[1, 5, 13, 65, 157, 785, 2041, 8537, 10205, 42685, 110981, 554905, 1340309, 6701545, 17424017, 87120085]

約数ペア:

[(1, 87120085), (5, 17424017), (13, 6701545), (65, 1340309), (157, 554905), (785, 110981), (2041, 42685), (8537, 10205)]