78212440

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{6247}}^1$

素因数の和:6571

約数の個数: 32

約数和(自身を含む): 176568480

約数和(自身を除く): 98356040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6247, 6260, 12494, 12520, 24988, 31235, 49976, 62470, 124940, 249880, 1955311, 3910622, 7821244, 9776555, 15642488, 19553110, 39106220, 78212440]

約数ペア:

[(1, 78212440), (2, 39106220), (4, 19553110), (5, 15642488), (8, 9776555), (10, 7821244), (20, 3910622), (40, 1955311), (313, 249880), (626, 124940), (1252, 62470), (1565, 49976), (2504, 31235), (3130, 24988), (6247, 12520), (6260, 12494)]