139252480

素因数分解:

$2^8\times 5^1\times {\mathrm{108791}}^1$

素因数の和:108812

約数の個数: 36

約数和(自身を含む): 333556272

約数和(自身を除く): 194303792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 108791, 217582, 435164, 543955, 870328, 1087910, 1740656, 2175820, 3481312, 4351640, 6962624, 8703280, 13925248, 17406560, 27850496, 34813120, 69626240, 139252480]

約数ペア:

[(1, 139252480), (2, 69626240), (4, 34813120), (5, 27850496), (8, 17406560), (10, 13925248), (16, 8703280), (20, 6962624), (32, 4351640), (40, 3481312), (64, 2175820), (80, 1740656), (128, 1087910), (160, 870328), (256, 543955), (320, 435164), (640, 217582), (1280, 108791)]