55691860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397799}}^1$

素因数の和:397815

約数の個数: 24

約数和(自身を含む): 133660800

約数和(自身を除く): 77968940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397799, 795598, 1591196, 1988995, 2784593, 3977990, 5569186, 7955980, 11138372, 13922965, 27845930, 55691860]

約数ペア:

[(1, 55691860), (2, 27845930), (4, 13922965), (5, 11138372), (7, 7955980), (10, 5569186), (14, 3977990), (20, 2784593), (28, 1988995), (35, 1591196), (70, 795598), (140, 397799)]