40664288

素因数分解:

$2^5\times 7^1\times {\mathrm{181537}}^1$

素因数の和:181554

約数の個数: 24

約数和(自身を含む): 91495152

約数和(自身を除く): 50830864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 181537, 363074, 726148, 1270759, 1452296, 2541518, 2904592, 5083036, 5809184, 10166072, 20332144, 40664288]

約数ペア:

[(1, 40664288), (2, 20332144), (4, 10166072), (7, 5809184), (8, 5083036), (14, 2904592), (16, 2541518), (28, 1452296), (32, 1270759), (56, 726148), (112, 363074), (224, 181537)]