51728440

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{2297}}^1$

素因数の和:2871

約数の個数: 32

約数和(自身を含む): 116646480

約数和(自身を除く): 64918040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 2252, 2297, 2815, 4504, 4594, 5630, 9188, 11260, 11485, 18376, 22520, 22970, 45940, 91880, 1293211, 2586422, 5172844, 6466055, 10345688, 12932110, 25864220, 51728440]

約数ペア:

[(1, 51728440), (2, 25864220), (4, 12932110), (5, 10345688), (8, 6466055), (10, 5172844), (20, 2586422), (40, 1293211), (563, 91880), (1126, 45940), (2252, 22970), (2297, 22520), (2815, 18376), (4504, 11485), (4594, 11260), (5630, 9188)]