2018007520

素因数分解:

$2^5\times 5^1\times {\mathrm{389}}^1\times {\mathrm{32423}}^1$

素因数の和:32827

約数の個数: 48

約数和(自身を含む): 4779946080

約数和(自身を除く): 2761938560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 389, 778, 1556, 1945, 3112, 3890, 6224, 7780, 12448, 15560, 31120, 32423, 62240, 64846, 129692, 162115, 259384, 324230, 518768, 648460, 1037536, 1296920, 2593840, 5187680, 12612547, 25225094, 50450188, 63062735, 100900376, 126125470, 201800752, 252250940, 403601504, 504501880, 1009003760, 2018007520]

約数ペア:

[(1, 2018007520), (2, 1009003760), (4, 504501880), (5, 403601504), (8, 252250940), (10, 201800752), (16, 126125470), (20, 100900376), (32, 63062735), (40, 50450188), (80, 25225094), (160, 12612547), (389, 5187680), (778, 2593840), (1556, 1296920), (1945, 1037536), (3112, 648460), (3890, 518768), (6224, 324230), (7780, 259384), (12448, 162115), (15560, 129692), (31120, 64846), (32423, 62240)]