10778020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{48991}}^1$

素因数の和:49011

約数の個数: 24

約数和(自身を含む): 24691968

約数和(自身を除く): 13913948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 48991, 97982, 195964, 244955, 489910, 538901, 979820, 1077802, 2155604, 2694505, 5389010, 10778020]

約数ペア:

[(1, 10778020), (2, 5389010), (4, 2694505), (5, 2155604), (10, 1077802), (11, 979820), (20, 538901), (22, 489910), (44, 244955), (55, 195964), (110, 97982), (220, 48991)]