54708920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{195389}}^1$

素因数の和:195407

約数の個数: 32

約数和(自身を含む): 140680800

約数和(自身を除く): 85971880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 195389, 390778, 781556, 976945, 1367723, 1563112, 1953890, 2735446, 3907780, 5470892, 6838615, 7815560, 10941784, 13677230, 27354460, 54708920]

約数ペア:

[(1, 54708920), (2, 27354460), (4, 13677230), (5, 10941784), (7, 7815560), (8, 6838615), (10, 5470892), (14, 3907780), (20, 2735446), (28, 1953890), (35, 1563112), (40, 1367723), (56, 976945), (70, 781556), (140, 390778), (280, 195389)]