81688630

素因数分解:

$2^1\times 5^1\times {\mathrm{1823}}^1\times {\mathrm{4481}}^1$

素因数の和:6311

約数の個数: 16

約数和(自身を含む): 147153024

約数和(自身を除く): 65464394

約数列:

[1, 2, 5, 10, 1823, 3646, 4481, 8962, 9115, 18230, 22405, 44810, 8168863, 16337726, 40844315, 81688630]

約数ペア:

[(1, 81688630), (2, 40844315), (5, 16337726), (10, 8168863), (1823, 44810), (3646, 22405), (4481, 18230), (8962, 9115)]