12557260

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4517}}^1$

素因数の和:4665

約数の個数: 24

約数和(自身を含む): 26565840

約数和(自身を除く): 14008580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 4517, 9034, 18068, 22585, 45170, 90340, 627863, 1255726, 2511452, 3139315, 6278630, 12557260]

約数ペア:

[(1, 12557260), (2, 6278630), (4, 3139315), (5, 2511452), (10, 1255726), (20, 627863), (139, 90340), (278, 45170), (556, 22585), (695, 18068), (1390, 9034), (2780, 4517)]