79988575

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{8863}}^1$

素因数の和:8911

約数の個数: 18

約数和(自身を含む): 104692704

約数和(自身を除く): 24704129

約数列:

[1, 5, 19, 25, 95, 361, 475, 1805, 8863, 9025, 44315, 168397, 221575, 841985, 3199543, 4209925, 15997715, 79988575]

約数ペア:

[(1, 79988575), (5, 15997715), (19, 4209925), (25, 3199543), (95, 841985), (361, 221575), (475, 168397), (1805, 44315), (8863, 9025)]