51126160

素因数分解:

$2^4\times 5^1\times {\mathrm{641}}^1\times {\mathrm{997}}^1$

素因数の和:1651

約数の個数: 40

約数和(自身を含む): 119173176

約数和(自身を除く): 68047016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 641, 997, 1282, 1994, 2564, 3205, 3988, 4985, 5128, 6410, 7976, 9970, 10256, 12820, 15952, 19940, 25640, 39880, 51280, 79760, 639077, 1278154, 2556308, 3195385, 5112616, 6390770, 10225232, 12781540, 25563080, 51126160]

約数ペア:

[(1, 51126160), (2, 25563080), (4, 12781540), (5, 10225232), (8, 6390770), (10, 5112616), (16, 3195385), (20, 2556308), (40, 1278154), (80, 639077), (641, 79760), (997, 51280), (1282, 39880), (1994, 25640), (2564, 19940), (3205, 15952), (3988, 12820), (4985, 10256), (5128, 9970), (6410, 7976)]