39184040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139943}}^1$

素因数の和:139961

約数の個数: 32

約数和(自身を含む): 100759680

約数和(自身を除く): 61575640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 139943, 279886, 559772, 699715, 979601, 1119544, 1399430, 1959202, 2798860, 3918404, 4898005, 5597720, 7836808, 9796010, 19592020, 39184040]

約数ペア:

[(1, 39184040), (2, 19592020), (4, 9796010), (5, 7836808), (7, 5597720), (8, 4898005), (10, 3918404), (14, 2798860), (20, 1959202), (28, 1399430), (35, 1119544), (40, 979601), (56, 699715), (70, 559772), (140, 279886), (280, 139943)]