56199880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127727}}^1$

素因数の和:127749

約数の個数: 32

約数和(自身を含む): 137946240

約数和(自身を除く): 81746360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 127727, 255454, 510908, 638635, 1021816, 1277270, 1404997, 2554540, 2809994, 5109080, 5619988, 7024985, 11239976, 14049970, 28099940, 56199880]

約数ペア:

[(1, 56199880), (2, 28099940), (4, 14049970), (5, 11239976), (8, 7024985), (10, 5619988), (11, 5109080), (20, 2809994), (22, 2554540), (40, 1404997), (44, 1277270), (55, 1021816), (88, 638635), (110, 510908), (220, 255454), (440, 127727)]