87498680

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{6491}}^1$

素因数の和:6839

約数の個数: 32

約数和(自身を含む): 197486640

約数和(自身を除く): 109987960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1685, 2696, 3370, 6491, 6740, 12982, 13480, 25964, 32455, 51928, 64910, 129820, 259640, 2187467, 4374934, 8749868, 10937335, 17499736, 21874670, 43749340, 87498680]

約数ペア:

[(1, 87498680), (2, 43749340), (4, 21874670), (5, 17499736), (8, 10937335), (10, 8749868), (20, 4374934), (40, 2187467), (337, 259640), (674, 129820), (1348, 64910), (1685, 51928), (2696, 32455), (3370, 25964), (6491, 13480), (6740, 12982)]