255909880

素因数分解:

$2^3\times 5^1\times {\mathrm{2381}}^1\times {\mathrm{2687}}^1$

素因数の和:5079

約数の個数: 32

約数和(自身を含む): 576253440

約数和(自身を除く): 320343560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2381, 2687, 4762, 5374, 9524, 10748, 11905, 13435, 19048, 21496, 23810, 26870, 47620, 53740, 95240, 107480, 6397747, 12795494, 25590988, 31988735, 51181976, 63977470, 127954940, 255909880]

約数ペア:

[(1, 255909880), (2, 127954940), (4, 63977470), (5, 51181976), (8, 31988735), (10, 25590988), (20, 12795494), (40, 6397747), (2381, 107480), (2687, 95240), (4762, 53740), (5374, 47620), (9524, 26870), (10748, 23810), (11905, 21496), (13435, 19048)]