10989580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{78497}}^1$

素因数の和:78513

約数の個数: 24

約数和(自身を含む): 26375328

約数和(自身を除く): 15385748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 78497, 156994, 313988, 392485, 549479, 784970, 1098958, 1569940, 2197916, 2747395, 5494790, 10989580]

約数ペア:

[(1, 10989580), (2, 5494790), (4, 2747395), (5, 2197916), (7, 1569940), (10, 1098958), (14, 784970), (20, 549479), (28, 392485), (35, 313988), (70, 156994), (140, 78497)]