81679030

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{121909}}^1$

素因数の和:121983

約数の個数: 16

約数和(自身を含む): 149217840

約数和(自身を除く): 67538810

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 121909, 243818, 609545, 1219090, 8167903, 16335806, 40839515, 81679030]

約数ペア:

[(1, 81679030), (2, 40839515), (5, 16335806), (10, 8167903), (67, 1219090), (134, 609545), (335, 243818), (670, 121909)]