40325720

素因数分解:

$2^3\times 5^1\times {\mathrm{919}}^1\times {\mathrm{1097}}^1$

素因数の和:2027

約数の個数: 32

約数和(自身を含む): 90914400

約数和(自身を除く): 50588680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 919, 1097, 1838, 2194, 3676, 4388, 4595, 5485, 7352, 8776, 9190, 10970, 18380, 21940, 36760, 43880, 1008143, 2016286, 4032572, 5040715, 8065144, 10081430, 20162860, 40325720]

約数ペア:

[(1, 40325720), (2, 20162860), (4, 10081430), (5, 8065144), (8, 5040715), (10, 4032572), (20, 2016286), (40, 1008143), (919, 43880), (1097, 36760), (1838, 21940), (2194, 18380), (3676, 10970), (4388, 9190), (4595, 8776), (5485, 7352)]