1240840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{463}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 2839680

約数和(自身を除く): 1598840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 463, 536, 670, 926, 1340, 1852, 2315, 2680, 3704, 4630, 9260, 18520, 31021, 62042, 124084, 155105, 248168, 310210, 620420, 1240840]

約数ペア:

[(1, 1240840), (2, 620420), (4, 310210), (5, 248168), (8, 155105), (10, 124084), (20, 62042), (40, 31021), (67, 18520), (134, 9260), (268, 4630), (335, 3704), (463, 2680), (536, 2315), (670, 1852), (926, 1340)]