77764160

素因数分解:

$2^6\times 5^1\times {\mathrm{487}}^1\times {\mathrm{499}}^1$

素因数の和:1003

約数の個数: 56

約数和(自身を含む): 185928000

約数和(自身を除く): 108163840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 487, 499, 974, 998, 1948, 1996, 2435, 2495, 3896, 3992, 4870, 4990, 7792, 7984, 9740, 9980, 15584, 15968, 19480, 19960, 31168, 31936, 38960, 39920, 77920, 79840, 155840, 159680, 243013, 486026, 972052, 1215065, 1944104, 2430130, 3888208, 4860260, 7776416, 9720520, 15552832, 19441040, 38882080, 77764160]

約数ペア:

[(1, 77764160), (2, 38882080), (4, 19441040), (5, 15552832), (8, 9720520), (10, 7776416), (16, 4860260), (20, 3888208), (32, 2430130), (40, 1944104), (64, 1215065), (80, 972052), (160, 486026), (320, 243013), (487, 159680), (499, 155840), (974, 79840), (998, 77920), (1948, 39920), (1996, 38960), (2435, 31936), (2495, 31168), (3896, 19960), (3992, 19480), (4870, 15968), (4990, 15584), (7792, 9980), (7984, 9740)]