40294772

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20269}}^1$

素因数の和:20351

約数の個数: 24

約数和(自身を含む): 81728640

約数和(自身を除く): 41433868

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 20269, 40538, 81076, 141883, 283766, 567532, 1439099, 2878198, 5756396, 10073693, 20147386, 40294772]

約数ペア:

[(1, 40294772), (2, 20147386), (4, 10073693), (7, 5756396), (14, 2878198), (28, 1439099), (71, 567532), (142, 283766), (284, 141883), (497, 81076), (994, 40538), (1988, 20269)]