127036400

素因数分解:

$2^4\times 5^2\times {\mathrm{317591}}^1$

素因数の和:317609

約数の個数: 30

約数和(自身を含む): 305205912

約数和(自身を除く): 178169512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 317591, 635182, 1270364, 1587955, 2540728, 3175910, 5081456, 6351820, 7939775, 12703640, 15879550, 25407280, 31759100, 63518200, 127036400]

約数ペア:

[(1, 127036400), (2, 63518200), (4, 31759100), (5, 25407280), (8, 15879550), (10, 12703640), (16, 7939775), (20, 6351820), (25, 5081456), (40, 3175910), (50, 2540728), (80, 1587955), (100, 1270364), (200, 635182), (400, 317591)]