79790519990

素因数分解:

$2^1\times 5^1\times {\mathrm{39929}}^1\times {\mathrm{199831}}^1$

素因数の和:239767

約数の個数: 16

約数和(自身を含む): 143627251680

約数和(自身を除く): 63836731690

約数列:

[1, 2, 5, 10, 39929, 79858, 199645, 199831, 399290, 399662, 999155, 1998310, 7979051999, 15958103998, 39895259995, 79790519990]

約数ペア:

[(1, 79790519990), (2, 39895259995), (5, 15958103998), (10, 7979051999), (39929, 1998310), (79858, 999155), (199645, 399662), (199831, 399290)]