80267728

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{106739}}^1$

素因数の和:106794

約数の個数: 20

約数和(自身を含む): 158829120

約数和(自身を除く): 78561392

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 106739, 213478, 426956, 853912, 1707824, 5016733, 10033466, 20066932, 40133864, 80267728]

約数ペア:

[(1, 80267728), (2, 40133864), (4, 20066932), (8, 10033466), (16, 5016733), (47, 1707824), (94, 853912), (188, 426956), (376, 213478), (752, 106739)]