129833920

素因数分解:

$2^6\times 5^1\times {\mathrm{405731}}^1$

素因数の和:405748

約数の個数: 28

約数和(自身を含む): 309167784

約数和(自身を除く): 179333864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 405731, 811462, 1622924, 2028655, 3245848, 4057310, 6491696, 8114620, 12983392, 16229240, 25966784, 32458480, 64916960, 129833920]

約数ペア:

[(1, 129833920), (2, 64916960), (4, 32458480), (5, 25966784), (8, 16229240), (10, 12983392), (16, 8114620), (20, 6491696), (32, 4057310), (40, 3245848), (64, 2028655), (80, 1622924), (160, 811462), (320, 405731)]