65667080

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{3371}}^1$

素因数の和:3869

約数の個数: 32

約数和(自身を含む): 148098240

約数和(自身を除く): 82431160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3371, 3896, 4870, 6742, 9740, 13484, 16855, 19480, 26968, 33710, 67420, 134840, 1641677, 3283354, 6566708, 8208385, 13133416, 16416770, 32833540, 65667080]

約数ペア:

[(1, 65667080), (2, 32833540), (4, 16416770), (5, 13133416), (8, 8208385), (10, 6566708), (20, 3283354), (40, 1641677), (487, 134840), (974, 67420), (1948, 33710), (2435, 26968), (3371, 19480), (3896, 16855), (4870, 13484), (6742, 9740)]