40381988

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{383}}^1\times {\mathrm{613}}^1$

素因数の和:1043

約数の個数: 24

約数和(自身を含む): 72619008

約数和(自身を除く): 32237020

約数列:

[1, 2, 4, 43, 86, 172, 383, 613, 766, 1226, 1532, 2452, 16469, 26359, 32938, 52718, 65876, 105436, 234779, 469558, 939116, 10095497, 20190994, 40381988]

約数ペア:

[(1, 40381988), (2, 20190994), (4, 10095497), (43, 939116), (86, 469558), (172, 234779), (383, 105436), (613, 65876), (766, 52718), (1226, 32938), (1532, 26359), (2452, 16469)]