165405740

素因数分解:

$2^2\times 5^1\times {\mathrm{2843}}^1\times {\mathrm{2909}}^1$

素因数の和:5761

約数の個数: 24

約数和(自身を含む): 347593680

約数和(自身を除く): 182187940

約数列:

[1, 2, 4, 5, 10, 20, 2843, 2909, 5686, 5818, 11372, 11636, 14215, 14545, 28430, 29090, 56860, 58180, 8270287, 16540574, 33081148, 41351435, 82702870, 165405740]

約数ペア:

[(1, 165405740), (2, 82702870), (4, 41351435), (5, 33081148), (10, 16540574), (20, 8270287), (2843, 58180), (2909, 56860), (5686, 29090), (5818, 28430), (11372, 14545), (11636, 14215)]