11387660

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1297}}^1$

素因数の和:1745

約数の個数: 24

約数和(自身を含む): 23987040

約数和(自身を除く): 12599380

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1297, 1756, 2195, 2594, 4390, 5188, 6485, 8780, 12970, 25940, 569383, 1138766, 2277532, 2846915, 5693830, 11387660]

約数ペア:

[(1, 11387660), (2, 5693830), (4, 2846915), (5, 2277532), (10, 1138766), (20, 569383), (439, 25940), (878, 12970), (1297, 8780), (1756, 6485), (2195, 5188), (2594, 4390)]