40457140

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{9587}}^1$

素因数の和:9807

約数の個数: 24

約数和(自身を含む): 85371552

約数和(自身を除く): 44914412

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 9587, 19174, 38348, 47935, 95870, 191740, 2022857, 4045714, 8091428, 10114285, 20228570, 40457140]

約数ペア:

[(1, 40457140), (2, 20228570), (4, 10114285), (5, 8091428), (10, 4045714), (20, 2022857), (211, 191740), (422, 95870), (844, 47935), (1055, 38348), (2110, 19174), (4220, 9587)]