49779280

素因数分解:

$2^4\times 5^1\times {\mathrm{622241}}^1$

素因数の和:622254

約数の個数: 20

約数和(自身を含む): 115737012

約数和(自身を除く): 65957732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 622241, 1244482, 2488964, 3111205, 4977928, 6222410, 9955856, 12444820, 24889640, 49779280]

約数ペア:

[(1, 49779280), (2, 24889640), (4, 12444820), (5, 9955856), (8, 6222410), (10, 4977928), (16, 3111205), (20, 2488964), (40, 1244482), (80, 622241)]