8427080

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{461}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 19043640

約数和(自身を除く): 10616560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 461, 914, 922, 1828, 1844, 2285, 2305, 3656, 3688, 4570, 4610, 9140, 9220, 18280, 18440, 210677, 421354, 842708, 1053385, 1685416, 2106770, 4213540, 8427080]

約数ペア:

[(1, 8427080), (2, 4213540), (4, 2106770), (5, 1685416), (8, 1053385), (10, 842708), (20, 421354), (40, 210677), (457, 18440), (461, 18280), (914, 9220), (922, 9140), (1828, 4610), (1844, 4570), (2285, 3688), (2305, 3656)]