413680

素因数分解:

$2^4\times 5^1\times {\mathrm{5171}}^1$

素因数の和:5184

約数の個数: 20

約数和(自身を含む): 961992

約数和(自身を除く): 548312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5171, 10342, 20684, 25855, 41368, 51710, 82736, 103420, 206840, 413680]

約数ペア:

[(1, 413680), (2, 206840), (4, 103420), (5, 82736), (8, 51710), (10, 41368), (16, 25855), (20, 20684), (40, 10342), (80, 5171)]