81148120

素因数分解:

$2^3\times 5^1\times {\mathrm{2028703}}^1$

素因数の和:2028714

約数の個数: 16

約数和(自身を含む): 182583360

約数和(自身を除く): 101435240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2028703, 4057406, 8114812, 10143515, 16229624, 20287030, 40574060, 81148120]

約数ペア:

[(1, 81148120), (2, 40574060), (4, 20287030), (5, 16229624), (8, 10143515), (10, 8114812), (20, 4057406), (40, 2028703)]