131200840

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{9733}}^1$

素因数の和:10081

約数の個数: 32

約数和(自身を含む): 296108280

約数和(自身を除く): 164907440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1685, 2696, 3370, 6740, 9733, 13480, 19466, 38932, 48665, 77864, 97330, 194660, 389320, 3280021, 6560042, 13120084, 16400105, 26240168, 32800210, 65600420, 131200840]

約数ペア:

[(1, 131200840), (2, 65600420), (4, 32800210), (5, 26240168), (8, 16400105), (10, 13120084), (20, 6560042), (40, 3280021), (337, 389320), (674, 194660), (1348, 97330), (1685, 77864), (2696, 48665), (3370, 38932), (6740, 19466), (9733, 13480)]