7212580

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2297}}^1$

素因数の和:2463

約数の個数: 24

約数和(自身を含む): 15249528

約数和(自身を除く): 8036948

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 2297, 3140, 4594, 9188, 11485, 22970, 45940, 360629, 721258, 1442516, 1803145, 3606290, 7212580]

約数ペア:

[(1, 7212580), (2, 3606290), (4, 1803145), (5, 1442516), (10, 721258), (20, 360629), (157, 45940), (314, 22970), (628, 11485), (785, 9188), (1570, 4594), (2297, 3140)]