25757480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1373}}^1$

素因数の和:1458

約数の個数: 64

約数和(自身を含む): 67271040

約数和(自身を除く): 41513560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 938, 1340, 1373, 1876, 2345, 2680, 2746, 3752, 4690, 5492, 6865, 9380, 9611, 10984, 13730, 18760, 19222, 27460, 38444, 48055, 54920, 76888, 91991, 96110, 183982, 192220, 367964, 384440, 459955, 643937, 735928, 919910, 1287874, 1839820, 2575748, 3219685, 3679640, 5151496, 6439370, 12878740, 25757480]

約数ペア:

[(1, 25757480), (2, 12878740), (4, 6439370), (5, 5151496), (7, 3679640), (8, 3219685), (10, 2575748), (14, 1839820), (20, 1287874), (28, 919910), (35, 735928), (40, 643937), (56, 459955), (67, 384440), (70, 367964), (134, 192220), (140, 183982), (268, 96110), (280, 91991), (335, 76888), (469, 54920), (536, 48055), (670, 38444), (938, 27460), (1340, 19222), (1373, 18760), (1876, 13730), (2345, 10984), (2680, 9611), (2746, 9380), (3752, 6865), (4690, 5492)]