134806640

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{8731}}^1$

素因数の和:8937

約数の個数: 40

約数和(自身を含む): 315085488

約数和(自身を除く): 180278848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 8731, 15440, 17462, 34924, 43655, 69848, 87310, 139696, 174620, 349240, 698480, 1685083, 3370166, 6740332, 8425415, 13480664, 16850830, 26961328, 33701660, 67403320, 134806640]

約数ペア:

[(1, 134806640), (2, 67403320), (4, 33701660), (5, 26961328), (8, 16850830), (10, 13480664), (16, 8425415), (20, 6740332), (40, 3370166), (80, 1685083), (193, 698480), (386, 349240), (772, 174620), (965, 139696), (1544, 87310), (1930, 69848), (3088, 43655), (3860, 34924), (7720, 17462), (8731, 15440)]