77156980

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{13729}}^1$

素因数の和:14019

約数の個数: 24

約数和(自身を含む): 162618120

約数和(自身を除く): 85461140

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 13729, 27458, 54916, 68645, 137290, 274580, 3857849, 7715698, 15431396, 19289245, 38578490, 77156980]

約数ペア:

[(1, 77156980), (2, 38578490), (4, 19289245), (5, 15431396), (10, 7715698), (20, 3857849), (281, 274580), (562, 137290), (1124, 68645), (1405, 54916), (2810, 27458), (5620, 13729)]