40573580

素因数分解:

$2^2\times 5^1\times {\mathrm{2028679}}^1$

素因数の和:2028688

約数の個数: 12

約数和(自身を含む): 85204560

約数和(自身を除く): 44630980

約数列:

[1, 2, 4, 5, 10, 20, 2028679, 4057358, 8114716, 10143395, 20286790, 40573580]

約数ペア:

[(1, 40573580), (2, 20286790), (4, 10143395), (5, 8114716), (10, 4057358), (20, 2028679)]