89741620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109441}}^1$

素因数の和:109491

約数の個数: 24

約数和(自身を含む): 193055688

約数和(自身を除く): 103314068

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 109441, 218882, 437764, 547205, 1094410, 2188820, 4487081, 8974162, 17948324, 22435405, 44870810, 89741620]

約数ペア:

[(1, 89741620), (2, 44870810), (4, 22435405), (5, 17948324), (10, 8974162), (20, 4487081), (41, 2188820), (82, 1094410), (164, 547205), (205, 437764), (410, 218882), (820, 109441)]