38558140

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{9137}}^1$

素因数の和:9357

約数の個数: 24

約数和(自身を含む): 81364752

約数和(自身を除く): 42806612

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 9137, 18274, 36548, 45685, 91370, 182740, 1927907, 3855814, 7711628, 9639535, 19279070, 38558140]

約数ペア:

[(1, 38558140), (2, 19279070), (4, 9639535), (5, 7711628), (10, 3855814), (20, 1927907), (211, 182740), (422, 91370), (844, 45685), (1055, 36548), (2110, 18274), (4220, 9137)]