80681140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{85831}}^1$

素因数の和:85887

約数の個数: 24

約数和(自身を含む): 173037312

約数和(自身を除く): 92356172

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 85831, 171662, 343324, 429155, 858310, 1716620, 4034057, 8068114, 16136228, 20170285, 40340570, 80681140]

約数ペア:

[(1, 80681140), (2, 40340570), (4, 20170285), (5, 16136228), (10, 8068114), (20, 4034057), (47, 1716620), (94, 858310), (188, 429155), (235, 343324), (470, 171662), (940, 85831)]