80788874

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{20641}}^1$

素因数の和:20765

約数の個数: 16

約数和(自身を含む): 128806080

約数和(自身を除く): 48017206

約数列:

[1, 2, 19, 38, 103, 206, 1957, 3914, 20641, 41282, 392179, 784358, 2126023, 4252046, 40394437, 80788874]

約数ペア:

[(1, 80788874), (2, 40394437), (19, 4252046), (38, 2126023), (103, 784358), (206, 392179), (1957, 41282), (3914, 20641)]