7225940

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{823}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 15227520

約数和(自身を除く): 8001580

約数列:

[1, 2, 4, 5, 10, 20, 439, 823, 878, 1646, 1756, 2195, 3292, 4115, 4390, 8230, 8780, 16460, 361297, 722594, 1445188, 1806485, 3612970, 7225940]

約数ペア:

[(1, 7225940), (2, 3612970), (4, 1806485), (5, 1445188), (10, 722594), (20, 361297), (439, 16460), (823, 8780), (878, 8230), (1646, 4390), (1756, 4115), (2195, 3292)]