126300520

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{8117}}^1$

素因数の和:8517

約数の個数: 32

約数和(自身を含む): 284941800

約数和(自身を除く): 158641280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 8117, 15560, 16234, 32468, 40585, 64936, 81170, 162340, 324680, 3157513, 6315026, 12630052, 15787565, 25260104, 31575130, 63150260, 126300520]

約数ペア:

[(1, 126300520), (2, 63150260), (4, 31575130), (5, 25260104), (8, 15787565), (10, 12630052), (20, 6315026), (40, 3157513), (389, 324680), (778, 162340), (1556, 81170), (1945, 64936), (3112, 40585), (3890, 32468), (7780, 16234), (8117, 15560)]