80907568

素因数分解:

$2^4\times 7^1\times {\mathrm{722389}}^1$

素因数の和:722404

約数の個数: 20

約数和(自身を含む): 179152720

約数和(自身を除く): 98245152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 722389, 1444778, 2889556, 5056723, 5779112, 10113446, 11558224, 20226892, 40453784, 80907568]

約数ペア:

[(1, 80907568), (2, 40453784), (4, 20226892), (7, 11558224), (8, 10113446), (14, 5779112), (16, 5056723), (28, 2889556), (56, 1444778), (112, 722389)]