80405380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{365479}}^1$

素因数の和:365499

約数の個数: 24

約数和(自身を含む): 184201920

約数和(自身を除く): 103796540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 365479, 730958, 1461916, 1827395, 3654790, 4020269, 7309580, 8040538, 16081076, 20101345, 40202690, 80405380]

約数ペア:

[(1, 80405380), (2, 40202690), (4, 20101345), (5, 16081076), (10, 8040538), (11, 7309580), (20, 4020269), (22, 3654790), (44, 1827395), (55, 1461916), (110, 730958), (220, 365479)]