40837120

素因数分解:

$2^{13}\times 5^1\times {\mathrm{997}}^1$

素因数の和:1028

約数の個数: 56

約数和(自身を含む): 98101404

約数和(自身を除く): 57264284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 997, 1024, 1280, 1994, 2048, 2560, 3988, 4096, 4985, 5120, 7976, 8192, 9970, 10240, 15952, 19940, 20480, 31904, 39880, 40960, 63808, 79760, 127616, 159520, 255232, 319040, 510464, 638080, 1020928, 1276160, 2041856, 2552320, 4083712, 5104640, 8167424, 10209280, 20418560, 40837120]

約数ペア:

[(1, 40837120), (2, 20418560), (4, 10209280), (5, 8167424), (8, 5104640), (10, 4083712), (16, 2552320), (20, 2041856), (32, 1276160), (40, 1020928), (64, 638080), (80, 510464), (128, 319040), (160, 255232), (256, 159520), (320, 127616), (512, 79760), (640, 63808), (997, 40960), (1024, 39880), (1280, 31904), (1994, 20480), (2048, 19940), (2560, 15952), (3988, 10240), (4096, 9970), (4985, 8192), (5120, 7976)]