12127780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{86627}}^1$

素因数の和:86643

約数の個数: 24

約数和(自身を含む): 29107008

約数和(自身を除く): 16979228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 86627, 173254, 346508, 433135, 606389, 866270, 1212778, 1732540, 2425556, 3031945, 6063890, 12127780]

約数ペア:

[(1, 12127780), (2, 6063890), (4, 3031945), (5, 2425556), (7, 1732540), (10, 1212778), (14, 866270), (20, 606389), (28, 433135), (35, 346508), (70, 173254), (140, 86627)]