86619440

素因数分解:

$2^4\times 5^1\times {\mathrm{1082743}}^1$

素因数の和:1082756

約数の個数: 20

約数和(自身を含む): 201390384

約数和(自身を除く): 114770944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1082743, 2165486, 4330972, 5413715, 8661944, 10827430, 17323888, 21654860, 43309720, 86619440]

約数ペア:

[(1, 86619440), (2, 43309720), (4, 21654860), (5, 17323888), (8, 10827430), (10, 8661944), (16, 5413715), (20, 4330972), (40, 2165486), (80, 1082743)]