31904000

素因数分解:

$2^8\times 5^3\times {\mathrm{997}}^1$

素因数の和:1028

約数の個数: 72

約数和(自身を含む): 79556568

約数和(自身を除く): 47652568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 640, 800, 997, 1000, 1280, 1600, 1994, 2000, 3200, 3988, 4000, 4985, 6400, 7976, 8000, 9970, 15952, 16000, 19940, 24925, 31904, 32000, 39880, 49850, 63808, 79760, 99700, 124625, 127616, 159520, 199400, 249250, 255232, 319040, 398800, 498500, 638080, 797600, 997000, 1276160, 1595200, 1994000, 3190400, 3988000, 6380800, 7976000, 15952000, 31904000]

約数ペア:

[(1, 31904000), (2, 15952000), (4, 7976000), (5, 6380800), (8, 3988000), (10, 3190400), (16, 1994000), (20, 1595200), (25, 1276160), (32, 997000), (40, 797600), (50, 638080), (64, 498500), (80, 398800), (100, 319040), (125, 255232), (128, 249250), (160, 199400), (200, 159520), (250, 127616), (256, 124625), (320, 99700), (400, 79760), (500, 63808), (640, 49850), (800, 39880), (997, 32000), (1000, 31904), (1280, 24925), (1600, 19940), (1994, 16000), (2000, 15952), (3200, 9970), (3988, 8000), (4000, 7976), (4985, 6400)]