28514960

素因数分解:

$2^4\times 5^1\times {\mathrm{431}}^1\times {\mathrm{827}}^1$

素因数の和:1271

約数の個数: 40

約数和(自身を含む): 66531456

約数和(自身を除く): 38016496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 431, 827, 862, 1654, 1724, 2155, 3308, 3448, 4135, 4310, 6616, 6896, 8270, 8620, 13232, 16540, 17240, 33080, 34480, 66160, 356437, 712874, 1425748, 1782185, 2851496, 3564370, 5702992, 7128740, 14257480, 28514960]

約数ペア:

[(1, 28514960), (2, 14257480), (4, 7128740), (5, 5702992), (8, 3564370), (10, 2851496), (16, 1782185), (20, 1425748), (40, 712874), (80, 356437), (431, 66160), (827, 34480), (862, 33080), (1654, 17240), (1724, 16540), (2155, 13232), (3308, 8620), (3448, 8270), (4135, 6896), (4310, 6616)]