80807888

素因数分解:

$2^4\times 7^1\times {\mathrm{721499}}^1$

素因数の和:721514

約数の個数: 20

約数和(自身を含む): 178932000

約数和(自身を除く): 98124112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 721499, 1442998, 2885996, 5050493, 5771992, 10100986, 11543984, 20201972, 40403944, 80807888]

約数ペア:

[(1, 80807888), (2, 40403944), (4, 20201972), (7, 11543984), (8, 10100986), (14, 5771992), (16, 5050493), (28, 2885996), (56, 1442998), (112, 721499)]