55827940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{398771}}^1$

素因数の和:398787

約数の個数: 24

約数和(自身を含む): 133987392

約数和(自身を除く): 78159452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 398771, 797542, 1595084, 1993855, 2791397, 3987710, 5582794, 7975420, 11165588, 13956985, 27913970, 55827940]

約数ペア:

[(1, 55827940), (2, 27913970), (4, 13956985), (5, 11165588), (7, 7975420), (10, 5582794), (14, 3987710), (20, 2791397), (28, 1993855), (35, 1595084), (70, 797542), (140, 398771)]