2279661640

素因数分解:

$2^3\times 5^1\times {\mathrm{56991541}}^1$

素因数の和:56991552

約数の個数: 16

約数和(自身を含む): 5129238780

約数和(自身を除く): 2849577140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 56991541, 113983082, 227966164, 284957705, 455932328, 569915410, 1139830820, 2279661640]

約数ペア:

[(1, 2279661640), (2, 1139830820), (4, 569915410), (5, 455932328), (8, 284957705), (10, 227966164), (20, 113983082), (40, 56991541)]