124521220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{87691}}^1$

素因数の和:87771

約数の個数: 24

約数和(自身を含む): 265180608

約数和(自身を除く): 140659388

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 87691, 175382, 350764, 438455, 876910, 1753820, 6226061, 12452122, 24904244, 31130305, 62260610, 124521220]

約数ペア:

[(1, 124521220), (2, 62260610), (4, 31130305), (5, 24904244), (10, 12452122), (20, 6226061), (71, 1753820), (142, 876910), (284, 438455), (355, 350764), (710, 175382), (1420, 87691)]