8217280

素因数分解:

$2^6\times 5^1\times {\mathrm{25679}}^1$

素因数の和:25696

約数の個数: 28

約数和(自身を含む): 19568160

約数和(自身を除く): 11350880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 25679, 51358, 102716, 128395, 205432, 256790, 410864, 513580, 821728, 1027160, 1643456, 2054320, 4108640, 8217280]

約数ペア:

[(1, 8217280), (2, 4108640), (4, 2054320), (5, 1643456), (8, 1027160), (10, 821728), (16, 513580), (20, 410864), (32, 256790), (40, 205432), (64, 128395), (80, 102716), (160, 51358), (320, 25679)]