2018045080

素因数分解:

$2^3\times 5^1\times {\mathrm{2551}}^1\times {\mathrm{19777}}^1$

素因数の和:22339

約数の個数: 32

約数和(自身を含む): 4542611040

約数和(自身を除く): 2524565960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2551, 5102, 10204, 12755, 19777, 20408, 25510, 39554, 51020, 79108, 98885, 102040, 158216, 197770, 395540, 791080, 50451127, 100902254, 201804508, 252255635, 403609016, 504511270, 1009022540, 2018045080]

約数ペア:

[(1, 2018045080), (2, 1009022540), (4, 504511270), (5, 403609016), (8, 252255635), (10, 201804508), (20, 100902254), (40, 50451127), (2551, 791080), (5102, 395540), (10204, 197770), (12755, 158216), (19777, 102040), (20408, 98885), (25510, 79108), (39554, 51020)]