890246620

素因数分解:

$2^2\times 5^1\times {\mathrm{44512331}}^1$

素因数の和:44512340

約数の個数: 12

約数和(自身を含む): 1869517944

約数和(自身を除く): 979271324

約数列:

[1, 2, 4, 5, 10, 20, 44512331, 89024662, 178049324, 222561655, 445123310, 890246620]

約数ペア:

[(1, 890246620), (2, 445123310), (4, 222561655), (5, 178049324), (10, 89024662), (20, 44512331)]