8986820

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{701}}^1$

素因数の和:1351

約数の個数: 24

約数和(自身を含む): 18928728

約数和(自身を除く): 9941908

約数列:

[1, 2, 4, 5, 10, 20, 641, 701, 1282, 1402, 2564, 2804, 3205, 3505, 6410, 7010, 12820, 14020, 449341, 898682, 1797364, 2246705, 4493410, 8986820]

約数ペア:

[(1, 8986820), (2, 4493410), (4, 2246705), (5, 1797364), (10, 898682), (20, 449341), (641, 14020), (701, 12820), (1282, 7010), (1402, 6410), (2564, 3505), (2804, 3205)]