12239272420

素因数分解:

$2^2\times 5^1\times {\mathrm{7039}}^1\times {\mathrm{86939}}^1$

素因数の和:93987

約数の個数: 24

約数和(自身を含む): 25706419200

約数和(自身を除く): 13467146780

約数列:

[1, 2, 4, 5, 10, 20, 7039, 14078, 28156, 35195, 70390, 86939, 140780, 173878, 347756, 434695, 869390, 1738780, 611963621, 1223927242, 2447854484, 3059818105, 6119636210, 12239272420]

約数ペア:

[(1, 12239272420), (2, 6119636210), (4, 3059818105), (5, 2447854484), (10, 1223927242), (20, 611963621), (7039, 1738780), (14078, 869390), (28156, 434695), (35195, 347756), (70390, 173878), (86939, 140780)]