9778960

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{487}}^1$

素因数の和:751

約数の個数: 40

約数和(自身を含む): 22873536

約数和(自身を除く): 13094576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 487, 502, 974, 1004, 1255, 1948, 2008, 2435, 2510, 3896, 4016, 4870, 5020, 7792, 9740, 10040, 19480, 20080, 38960, 122237, 244474, 488948, 611185, 977896, 1222370, 1955792, 2444740, 4889480, 9778960]

約数ペア:

[(1, 9778960), (2, 4889480), (4, 2444740), (5, 1955792), (8, 1222370), (10, 977896), (16, 611185), (20, 488948), (40, 244474), (80, 122237), (251, 38960), (487, 20080), (502, 19480), (974, 10040), (1004, 9740), (1255, 7792), (1948, 5020), (2008, 4870), (2435, 4016), (2510, 3896)]