81659870

素因数分解:

$2^1\times 5^1\times {\mathrm{839}}^1\times {\mathrm{9733}}^1$

素因数の和:10579

約数の個数: 16

約数和(自身を含む): 147178080

約数和(自身を除く): 65518210

約数列:

[1, 2, 5, 10, 839, 1678, 4195, 8390, 9733, 19466, 48665, 97330, 8165987, 16331974, 40829935, 81659870]

約数ペア:

[(1, 81659870), (2, 40829935), (5, 16331974), (10, 8165987), (839, 97330), (1678, 48665), (4195, 19466), (8390, 9733)]