80511880

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{10429}}^1$

素因数の和:10633

約数の個数: 32

約数和(自身を含む): 182107800

約数和(自身を除く): 101595920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 10429, 20858, 41716, 52145, 83432, 104290, 208580, 417160, 2012797, 4025594, 8051188, 10063985, 16102376, 20127970, 40255940, 80511880]

約数ペア:

[(1, 80511880), (2, 40255940), (4, 20127970), (5, 16102376), (8, 10063985), (10, 8051188), (20, 4025594), (40, 2012797), (193, 417160), (386, 208580), (772, 104290), (965, 83432), (1544, 52145), (1930, 41716), (3860, 20858), (7720, 10429)]