102854680

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{5237}}^1$

素因数の和:5739

約数の個数: 32

約数和(自身を含む): 231938640

約数和(自身を除く): 129083960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 5237, 9820, 10474, 19640, 20948, 26185, 41896, 52370, 104740, 209480, 2571367, 5142734, 10285468, 12856835, 20570936, 25713670, 51427340, 102854680]

約数ペア:

[(1, 102854680), (2, 51427340), (4, 25713670), (5, 20570936), (8, 12856835), (10, 10285468), (20, 5142734), (40, 2571367), (491, 209480), (982, 104740), (1964, 52370), (2455, 41896), (3928, 26185), (4910, 20948), (5237, 19640), (9820, 10474)]