81176120

素因数分解:

$2^3\times 5^1\times {\mathrm{2029403}}^1$

素因数の和:2029414

約数の個数: 16

約数和(自身を含む): 182646360

約数和(自身を除く): 101470240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2029403, 4058806, 8117612, 10147015, 16235224, 20294030, 40588060, 81176120]

約数ペア:

[(1, 81176120), (2, 40588060), (4, 20294030), (5, 16235224), (8, 10147015), (10, 8117612), (20, 4058806), (40, 2029403)]