51638080

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12413}}^1$

素因数の和:12443

約数の個数: 56

約数和(自身を含む): 132432552

約数和(自身を除く): 80794472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 12413, 24826, 49652, 62065, 99304, 124130, 161369, 198608, 248260, 322738, 397216, 496520, 645476, 794432, 806845, 993040, 1290952, 1613690, 1986080, 2581904, 3227380, 3972160, 5163808, 6454760, 10327616, 12909520, 25819040, 51638080]

約数ペア:

[(1, 51638080), (2, 25819040), (4, 12909520), (5, 10327616), (8, 6454760), (10, 5163808), (13, 3972160), (16, 3227380), (20, 2581904), (26, 1986080), (32, 1613690), (40, 1290952), (52, 993040), (64, 806845), (65, 794432), (80, 645476), (104, 496520), (130, 397216), (160, 322738), (208, 248260), (260, 198608), (320, 161369), (416, 124130), (520, 99304), (832, 62065), (1040, 49652), (2080, 24826), (4160, 12413)]