40638034

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{1423}}^1$

素因数の和:1665

約数の個数: 16

約数和(自身を含む): 62029440

約数和(自身を除く): 21391406

約数列:

[1, 2, 109, 131, 218, 262, 1423, 2846, 14279, 28558, 155107, 186413, 310214, 372826, 20319017, 40638034]

約数ペア:

[(1, 40638034), (2, 20319017), (109, 372826), (131, 310214), (218, 186413), (262, 155107), (1423, 28558), (2846, 14279)]