67128080

素因数分解:

$2^4\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1723}}^1$

素因数の和:2223

約数の個数: 40

約数和(自身を含む): 156484032

約数和(自身を除く): 89355952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487, 974, 1723, 1948, 2435, 3446, 3896, 4870, 6892, 7792, 8615, 9740, 13784, 17230, 19480, 27568, 34460, 38960, 68920, 137840, 839101, 1678202, 3356404, 4195505, 6712808, 8391010, 13425616, 16782020, 33564040, 67128080]

約数ペア:

[(1, 67128080), (2, 33564040), (4, 16782020), (5, 13425616), (8, 8391010), (10, 6712808), (16, 4195505), (20, 3356404), (40, 1678202), (80, 839101), (487, 137840), (974, 68920), (1723, 38960), (1948, 34460), (2435, 27568), (3446, 19480), (3896, 17230), (4870, 13784), (6892, 9740), (7792, 8615)]