68840960

素因数分解:

$2^9\times 5^1\times {\mathrm{26891}}^1$

素因数の和:26914

約数の個数: 40

約数和(自身を含む): 165063096

約数和(自身を除く): 96222136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 26891, 53782, 107564, 134455, 215128, 268910, 430256, 537820, 860512, 1075640, 1721024, 2151280, 3442048, 4302560, 6884096, 8605120, 13768192, 17210240, 34420480, 68840960]

約数ペア:

[(1, 68840960), (2, 34420480), (4, 17210240), (5, 13768192), (8, 8605120), (10, 6884096), (16, 4302560), (20, 3442048), (32, 2151280), (40, 1721024), (64, 1075640), (80, 860512), (128, 537820), (160, 430256), (256, 268910), (320, 215128), (512, 134455), (640, 107564), (1280, 53782), (2560, 26891)]