80338864

素因数分解:

$2^4\times {\mathrm{277}}^1\times {\mathrm{18127}}^1$

素因数の和:18412

約数の個数: 20

約数和(自身を含む): 156227104

約数和(自身を除く): 75888240

約数列:

[1, 2, 4, 8, 16, 277, 554, 1108, 2216, 4432, 18127, 36254, 72508, 145016, 290032, 5021179, 10042358, 20084716, 40169432, 80338864]

約数ペア:

[(1, 80338864), (2, 40169432), (4, 20084716), (8, 10042358), (16, 5021179), (277, 290032), (554, 145016), (1108, 72508), (2216, 36254), (4432, 18127)]