40120964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{10867}}^1$

素因数の和:10955

約数の個数: 24

約数和(自身を含む): 76684608

約数和(自身を除く): 36563644

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 10867, 21734, 43468, 141271, 282542, 565084, 771557, 1543114, 3086228, 10030241, 20060482, 40120964]

約数ペア:

[(1, 40120964), (2, 20060482), (4, 10030241), (13, 3086228), (26, 1543114), (52, 771557), (71, 565084), (142, 282542), (284, 141271), (923, 43468), (1846, 21734), (3692, 10867)]