26420480

素因数分解:

$2^8\times 5^1\times {\mathrm{20641}}^1$

素因数の和:20662

約数の個数: 36

約数和(自身を含む): 63288372

約数和(自身を除く): 36867892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 20641, 41282, 82564, 103205, 165128, 206410, 330256, 412820, 660512, 825640, 1321024, 1651280, 2642048, 3302560, 5284096, 6605120, 13210240, 26420480]

約数ペア:

[(1, 26420480), (2, 13210240), (4, 6605120), (5, 5284096), (8, 3302560), (10, 2642048), (16, 1651280), (20, 1321024), (32, 825640), (40, 660512), (64, 412820), (80, 330256), (128, 206410), (160, 165128), (256, 103205), (320, 82564), (640, 41282), (1280, 20641)]