80019995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1069}}^1\times {\mathrm{1361}}^1$

素因数の和:2446

約数の個数: 16

約数和(自身を含む): 104928480

約数和(自身を除く): 24908485

約数列:

[1, 5, 11, 55, 1069, 1361, 5345, 6805, 11759, 14971, 58795, 74855, 1454909, 7274545, 16003999, 80019995]

約数ペア:

[(1, 80019995), (5, 16003999), (11, 7274545), (55, 1454909), (1069, 74855), (1361, 58795), (5345, 14971), (6805, 11759)]