26403280

素因数分解:

$2^4\times 5^1\times {\mathrm{330041}}^1$

素因数の和:330054

約数の個数: 20

約数和(自身を含む): 61387812

約数和(自身を除く): 34984532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 330041, 660082, 1320164, 1650205, 2640328, 3300410, 5280656, 6600820, 13201640, 26403280]

約数ペア:

[(1, 26403280), (2, 13201640), (4, 6600820), (5, 5280656), (8, 3300410), (10, 2640328), (16, 1650205), (20, 1320164), (40, 660082), (80, 330041)]