40549912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{389903}}^1$

素因数の和:389922

約数の個数: 16

約数和(自身を含む): 81879840

約数和(自身を除く): 41329928

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 389903, 779806, 1559612, 3119224, 5068739, 10137478, 20274956, 40549912]

約数ペア:

[(1, 40549912), (2, 20274956), (4, 10137478), (8, 5068739), (13, 3119224), (26, 1559612), (52, 779806), (104, 389903)]