19681400

素因数分解:

$2^3\times 5^2\times {\mathrm{98407}}^1$

素因数の和:98423

約数の個数: 24

約数和(自身を含む): 45759720

約数和(自身を除く): 26078320

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 98407, 196814, 393628, 492035, 787256, 984070, 1968140, 2460175, 3936280, 4920350, 9840700, 19681400]

約数ペア:

[(1, 19681400), (2, 9840700), (4, 4920350), (5, 3936280), (8, 2460175), (10, 1968140), (20, 984070), (25, 787256), (40, 492035), (50, 393628), (100, 196814), (200, 98407)]