15952000

素因数分解:

$2^7\times 5^3\times {\mathrm{997}}^1$

素因数の和:1026

約数の個数: 64

約数和(自身を含む): 39700440

約数和(自身を除く): 23748440

約数列:

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

約数ペア:

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