55968920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199889}}^1$

素因数の和:199907

約数の個数: 32

約数和(自身を含む): 143920800

約数和(自身を除く): 87951880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 199889, 399778, 799556, 999445, 1399223, 1599112, 1998890, 2798446, 3997780, 5596892, 6996115, 7995560, 11193784, 13992230, 27984460, 55968920]

約数ペア:

[(1, 55968920), (2, 27984460), (4, 13992230), (5, 11193784), (7, 7995560), (8, 6996115), (10, 5596892), (14, 3997780), (20, 2798446), (28, 1998890), (35, 1599112), (40, 1399223), (56, 999445), (70, 799556), (140, 399778), (280, 199889)]