81896120

素因数分解:

$2^3\times 5^1\times {\mathrm{2047403}}^1$

素因数の和:2047414

約数の個数: 16

約数和(自身を含む): 184266360

約数和(自身を除く): 102370240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2047403, 4094806, 8189612, 10237015, 16379224, 20474030, 40948060, 81896120]

約数ペア:

[(1, 81896120), (2, 40948060), (4, 20474030), (5, 16379224), (8, 10237015), (10, 8189612), (20, 4094806), (40, 2047403)]