797475020

素因数分解:

$2^2\times 5^1\times {\mathrm{1663}}^1\times {\mathrm{23977}}^1$

素因数の和:25649

約数の個数: 24

約数和(自身を含む): 1675774464

約数和(自身を除く): 878299444

約数列:

[1, 2, 4, 5, 10, 20, 1663, 3326, 6652, 8315, 16630, 23977, 33260, 47954, 95908, 119885, 239770, 479540, 39873751, 79747502, 159495004, 199368755, 398737510, 797475020]

約数ペア:

[(1, 797475020), (2, 398737510), (4, 199368755), (5, 159495004), (10, 79747502), (20, 39873751), (1663, 479540), (3326, 239770), (6652, 119885), (8315, 95908), (16630, 47954), (23977, 33260)]