82157720

素因数分解:

$2^3\times 5^1\times {\mathrm{2053943}}^1$

素因数の和:2053954

約数の個数: 16

約数和(自身を含む): 184854960

約数和(自身を除く): 102697240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2053943, 4107886, 8215772, 10269715, 16431544, 20539430, 41078860, 82157720]

約数ペア:

[(1, 82157720), (2, 41078860), (4, 20539430), (5, 16431544), (8, 10269715), (10, 8215772), (20, 4107886), (40, 2053943)]