80652280

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{3727}}^1$

素因数の和:4279

約数の個数: 32

約数和(自身を含む): 181851840

約数和(自身を除く): 101199560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 3727, 4328, 5410, 7454, 10820, 14908, 18635, 21640, 29816, 37270, 74540, 149080, 2016307, 4032614, 8065228, 10081535, 16130456, 20163070, 40326140, 80652280]

約数ペア:

[(1, 80652280), (2, 40326140), (4, 20163070), (5, 16130456), (8, 10081535), (10, 8065228), (20, 4032614), (40, 2016307), (541, 149080), (1082, 74540), (2164, 37270), (2705, 29816), (3727, 21640), (4328, 18635), (5410, 14908), (7454, 10820)]