194408080

素因数分解:

$2^4\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{1987}}^1$

素因数の和:3223

約数の個数: 40

約数和(自身を含む): 452596032

約数和(自身を除く): 258187952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1223, 1987, 2446, 3974, 4892, 6115, 7948, 9784, 9935, 12230, 15896, 19568, 19870, 24460, 31792, 39740, 48920, 79480, 97840, 158960, 2430101, 4860202, 9720404, 12150505, 19440808, 24301010, 38881616, 48602020, 97204040, 194408080]

約数ペア:

[(1, 194408080), (2, 97204040), (4, 48602020), (5, 38881616), (8, 24301010), (10, 19440808), (16, 12150505), (20, 9720404), (40, 4860202), (80, 2430101), (1223, 158960), (1987, 97840), (2446, 79480), (3974, 48920), (4892, 39740), (6115, 31792), (7948, 24460), (9784, 19870), (9935, 19568), (12230, 15896)]