5104640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{997}}^1$

素因数の和:1022

約数の個数: 44

約数和(自身を含む): 12257436

約数和(自身を除く): 7152796

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, 2560, 3988, 4985, 5120, 7976, 9970, 15952, 19940, 31904, 39880, 63808, 79760, 127616, 159520, 255232, 319040, 510464, 638080, 1020928, 1276160, 2552320, 5104640]

約数ペア:

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