768340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{937}}^1$

素因数の和:987

約数の個数: 24

約数和(自身を含む): 1654632

約数和(自身を除く): 886292

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 937, 1874, 3748, 4685, 9370, 18740, 38417, 76834, 153668, 192085, 384170, 768340]

約数ペア:

[(1, 768340), (2, 384170), (4, 192085), (5, 153668), (10, 76834), (20, 38417), (41, 18740), (82, 9370), (164, 4685), (205, 3748), (410, 1874), (820, 937)]