1281940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5827}}^1$

素因数の和:5847

約数の個数: 24

約数和(自身を含む): 2937312

約数和(自身を除く): 1655372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 5827, 11654, 23308, 29135, 58270, 64097, 116540, 128194, 256388, 320485, 640970, 1281940]

約数ペア:

[(1, 1281940), (2, 640970), (4, 320485), (5, 256388), (10, 128194), (11, 116540), (20, 64097), (22, 58270), (44, 29135), (55, 23308), (110, 11654), (220, 5827)]