1091520280

素因数分解:

$2^3\times 5^1\times {\mathrm{27288007}}^1$

素因数の和:27288018

約数の個数: 16

約数和(自身を含む): 2455920720

約数和(自身を除く): 1364400440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 27288007, 54576014, 109152028, 136440035, 218304056, 272880070, 545760140, 1091520280]

約数ペア:

[(1, 1091520280), (2, 545760140), (4, 272880070), (5, 218304056), (8, 136440035), (10, 109152028), (20, 54576014), (40, 27288007)]