12704260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15493}}^1$

素因数の和:15543

約数の個数: 24

約数和(自身を含む): 27331416

約数和(自身を除く): 14627156

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 15493, 30986, 61972, 77465, 154930, 309860, 635213, 1270426, 2540852, 3176065, 6352130, 12704260]

約数ペア:

[(1, 12704260), (2, 6352130), (4, 3176065), (5, 2540852), (10, 1270426), (20, 635213), (41, 309860), (82, 154930), (164, 77465), (205, 61972), (410, 30986), (820, 15493)]