206840560

素因数分解:

$2^4\times 5^1\times {\mathrm{2585507}}^1$

素因数の和:2585520

約数の個数: 20

約数和(自身を含む): 480904488

約数和(自身を除く): 274063928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2585507, 5171014, 10342028, 12927535, 20684056, 25855070, 41368112, 51710140, 103420280, 206840560]

約数ペア:

[(1, 206840560), (2, 103420280), (4, 51710140), (5, 41368112), (8, 25855070), (10, 20684056), (16, 12927535), (20, 10342028), (40, 5171014), (80, 2585507)]