28107940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{200771}}^1$

素因数の和:200787

約数の個数: 24

約数和(自身を含む): 67459392

約数和(自身を除く): 39351452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 200771, 401542, 803084, 1003855, 1405397, 2007710, 2810794, 4015420, 5621588, 7026985, 14053970, 28107940]

約数ペア:

[(1, 28107940), (2, 14053970), (4, 7026985), (5, 5621588), (7, 4015420), (10, 2810794), (14, 2007710), (20, 1405397), (28, 1003855), (35, 803084), (70, 401542), (140, 200771)]