80508556

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 153990144

約数和(自身を除く): 73481588

約数列:

[1, 2, 4, 23, 43, 46, 47, 86, 92, 94, 172, 188, 433, 866, 989, 1081, 1732, 1978, 2021, 2162, 3956, 4042, 4324, 8084, 9959, 18619, 19918, 20351, 37238, 39836, 40702, 46483, 74476, 81404, 92966, 185932, 428237, 468073, 856474, 875093, 936146, 1712948, 1750186, 1872292, 3500372, 20127139, 40254278, 80508556]

約数ペア:

[(1, 80508556), (2, 40254278), (4, 20127139), (23, 3500372), (43, 1872292), (46, 1750186), (47, 1712948), (86, 936146), (92, 875093), (94, 856474), (172, 468073), (188, 428237), (433, 185932), (866, 92966), (989, 81404), (1081, 74476), (1732, 46483), (1978, 40702), (2021, 39836), (2162, 37238), (3956, 20351), (4042, 19918), (4324, 18619), (8084, 9959)]