8399780

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3307}}^1$

素因数の和:3443

約数の個数: 24

約数和(自身を含む): 17783808

約数和(自身を除く): 9384028

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 3307, 6614, 13228, 16535, 33070, 66140, 419989, 839978, 1679956, 2099945, 4199890, 8399780]

約数ペア:

[(1, 8399780), (2, 4199890), (4, 2099945), (5, 1679956), (10, 839978), (20, 419989), (127, 66140), (254, 33070), (508, 16535), (635, 13228), (1270, 6614), (2540, 3307)]