80378080

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{5179}}^1$

素因数の和:5291

約数の個数: 48

約数和(自身を含む): 191887920

約数和(自身を除く): 111509840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1940, 3104, 3880, 5179, 7760, 10358, 15520, 20716, 25895, 41432, 51790, 82864, 103580, 165728, 207160, 414320, 502363, 828640, 1004726, 2009452, 2511815, 4018904, 5023630, 8037808, 10047260, 16075616, 20094520, 40189040, 80378080]

約数ペア:

[(1, 80378080), (2, 40189040), (4, 20094520), (5, 16075616), (8, 10047260), (10, 8037808), (16, 5023630), (20, 4018904), (32, 2511815), (40, 2009452), (80, 1004726), (97, 828640), (160, 502363), (194, 414320), (388, 207160), (485, 165728), (776, 103580), (970, 82864), (1552, 51790), (1940, 41432), (3104, 25895), (3880, 20716), (5179, 15520), (7760, 10358)]