8940980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26297}}^1$

素因数の和:26323

約数の個数: 24

約数和(自身を含む): 19881288

約数和(自身を除く): 10940308

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 26297, 52594, 105188, 131485, 262970, 447049, 525940, 894098, 1788196, 2235245, 4470490, 8940980]

約数ペア:

[(1, 8940980), (2, 4470490), (4, 2235245), (5, 1788196), (10, 894098), (17, 525940), (20, 447049), (34, 262970), (68, 131485), (85, 105188), (170, 52594), (340, 26297)]