84717140

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{8627}}^1$

素因数の和:9127

約数の個数: 24

約数和(自身を含む): 178288992

約数和(自身を除く): 93571852

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 8627, 9820, 17254, 34508, 43135, 86270, 172540, 4235857, 8471714, 16943428, 21179285, 42358570, 84717140]

約数ペア:

[(1, 84717140), (2, 42358570), (4, 21179285), (5, 16943428), (10, 8471714), (20, 4235857), (491, 172540), (982, 86270), (1964, 43135), (2455, 34508), (4910, 17254), (8627, 9820)]