159200960

素因数分解:

$2^6\times 5^1\times {\mathrm{499}}^1\times {\mathrm{997}}^1$

素因数の和:1513

約数の個数: 56

約数和(自身を含む): 380238000

約数和(自身を除く): 221037040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 499, 997, 998, 1994, 1996, 2495, 3988, 3992, 4985, 4990, 7976, 7984, 9970, 9980, 15952, 15968, 19940, 19960, 31904, 31936, 39880, 39920, 63808, 79760, 79840, 159520, 159680, 319040, 497503, 995006, 1990012, 2487515, 3980024, 4975030, 7960048, 9950060, 15920096, 19900120, 31840192, 39800240, 79600480, 159200960]

約数ペア:

[(1, 159200960), (2, 79600480), (4, 39800240), (5, 31840192), (8, 19900120), (10, 15920096), (16, 9950060), (20, 7960048), (32, 4975030), (40, 3980024), (64, 2487515), (80, 1990012), (160, 995006), (320, 497503), (499, 319040), (997, 159680), (998, 159520), (1994, 79840), (1996, 79760), (2495, 63808), (3988, 39920), (3992, 39880), (4985, 31936), (4990, 31904), (7976, 19960), (7984, 19940), (9970, 15968), (9980, 15952)]