52880660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{971}}^1$

素因数の和:1376

約数の個数: 48

約数和(自身を含む): 127370880

約数和(自身を除く): 74490220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 778, 971, 1556, 1942, 1945, 2723, 3884, 3890, 4855, 5446, 6797, 7780, 9710, 10892, 13594, 13615, 19420, 27188, 27230, 33985, 54460, 67970, 135940, 377719, 755438, 1510876, 1888595, 2644033, 3777190, 5288066, 7554380, 10576132, 13220165, 26440330, 52880660]

約数ペア:

[(1, 52880660), (2, 26440330), (4, 13220165), (5, 10576132), (7, 7554380), (10, 5288066), (14, 3777190), (20, 2644033), (28, 1888595), (35, 1510876), (70, 755438), (140, 377719), (389, 135940), (778, 67970), (971, 54460), (1556, 33985), (1942, 27230), (1945, 27188), (2723, 19420), (3884, 13615), (3890, 13594), (4855, 10892), (5446, 9710), (6797, 7780)]