39115840

素因数分解:

$2^6\times 5^1\times {\mathrm{251}}^1\times {\mathrm{487}}^1$

素因数の和:755

約数の個数: 56

約数和(自身を含む): 93707712

約数和(自身を除く): 54591872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 251, 320, 487, 502, 974, 1004, 1255, 1948, 2008, 2435, 2510, 3896, 4016, 4870, 5020, 7792, 8032, 9740, 10040, 15584, 16064, 19480, 20080, 31168, 38960, 40160, 77920, 80320, 122237, 155840, 244474, 488948, 611185, 977896, 1222370, 1955792, 2444740, 3911584, 4889480, 7823168, 9778960, 19557920, 39115840]

約数ペア:

[(1, 39115840), (2, 19557920), (4, 9778960), (5, 7823168), (8, 4889480), (10, 3911584), (16, 2444740), (20, 1955792), (32, 1222370), (40, 977896), (64, 611185), (80, 488948), (160, 244474), (251, 155840), (320, 122237), (487, 80320), (502, 77920), (974, 40160), (1004, 38960), (1255, 31168), (1948, 20080), (2008, 19480), (2435, 16064), (2510, 15584), (3896, 10040), (4016, 9740), (4870, 8032), (5020, 7792)]