2552320

素因数分解:

$2^9\times 5^1\times {\mathrm{997}}^1$

素因数の和:1020

約数の個数: 40

約数和(自身を含む): 6125724

約数和(自身を除く): 3573404

約数列:

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

約数ペア:

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