12939460

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2707}}^1$

素因数の和:2955

約数の個数: 24

約数和(自身を含む): 27296640

約数和(自身を除く): 14357180

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 2707, 4780, 5414, 10828, 13535, 27070, 54140, 646973, 1293946, 2587892, 3234865, 6469730, 12939460]

約数ペア:

[(1, 12939460), (2, 6469730), (4, 3234865), (5, 2587892), (10, 1293946), (20, 646973), (239, 54140), (478, 27070), (956, 13535), (1195, 10828), (2390, 5414), (2707, 4780)]