55042820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3607}}^1$

素因数の和:3732

約数の個数: 48

約数和(自身を含む): 133351680

約数和(自身を除く): 78308860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3607, 3815, 7214, 7630, 14428, 15260, 18035, 25249, 36070, 50498, 72140, 100996, 126245, 252490, 393163, 504980, 786326, 1572652, 1965815, 2752141, 3931630, 5504282, 7863260, 11008564, 13760705, 27521410, 55042820]

約数ペア:

[(1, 55042820), (2, 27521410), (4, 13760705), (5, 11008564), (7, 7863260), (10, 5504282), (14, 3931630), (20, 2752141), (28, 1965815), (35, 1572652), (70, 786326), (109, 504980), (140, 393163), (218, 252490), (436, 126245), (545, 100996), (763, 72140), (1090, 50498), (1526, 36070), (2180, 25249), (3052, 18035), (3607, 15260), (3815, 14428), (7214, 7630)]