80322020

素因数分解:

$2^2\times 5^1\times {\mathrm{4016101}}^1$

素因数の和:4016110

約数の個数: 12

約数和(自身を含む): 168676284

約数和(自身を除く): 88354264

約数列:

[1, 2, 4, 5, 10, 20, 4016101, 8032202, 16064404, 20080505, 40161010, 80322020]

約数ペア:

[(1, 80322020), (2, 40161010), (4, 20080505), (5, 16064404), (10, 8032202), (20, 4016101)]