200810980

素因数分解:

$2^2\times 5^1\times {\mathrm{2341}}^1\times {\mathrm{4289}}^1$

素因数の和:6639

約数の個数: 24

約数和(自身を含む): 421981560

約数和(自身を除く): 221170580

約数列:

[1, 2, 4, 5, 10, 20, 2341, 4289, 4682, 8578, 9364, 11705, 17156, 21445, 23410, 42890, 46820, 85780, 10040549, 20081098, 40162196, 50202745, 100405490, 200810980]

約数ペア:

[(1, 200810980), (2, 100405490), (4, 50202745), (5, 40162196), (10, 20081098), (20, 10040549), (2341, 85780), (4289, 46820), (4682, 42890), (8578, 23410), (9364, 21445), (11705, 17156)]