51751760

素因数分解:

$2^4\times 5^1\times {\mathrm{646897}}^1$

素因数の和:646910

約数の個数: 20

約数和(自身を含む): 120323028

約数和(自身を除く): 68571268

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 646897, 1293794, 2587588, 3234485, 5175176, 6468970, 10350352, 12937940, 25875880, 51751760]

約数ペア:

[(1, 51751760), (2, 25875880), (4, 12937940), (5, 10350352), (8, 6468970), (10, 5175176), (16, 3234485), (20, 2587588), (40, 1293794), (80, 646897)]