40571336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{390109}}^1$

素因数の和:390128

約数の個数: 16

約数和(自身を含む): 81923100

約数和(自身を除く): 41351764

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 390109, 780218, 1560436, 3120872, 5071417, 10142834, 20285668, 40571336]

約数ペア:

[(1, 40571336), (2, 20285668), (4, 10142834), (8, 5071417), (13, 3120872), (26, 1560436), (52, 780218), (104, 390109)]