12939680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6221}}^1$

素因数の和:6249

約数の個数: 48

約数和(自身を含む): 32926824

約数和(自身を除く): 19987144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 6221, 12442, 24884, 31105, 49768, 62210, 80873, 99536, 124420, 161746, 199072, 248840, 323492, 404365, 497680, 646984, 808730, 995360, 1293968, 1617460, 2587936, 3234920, 6469840, 12939680]

約数ペア:

[(1, 12939680), (2, 6469840), (4, 3234920), (5, 2587936), (8, 1617460), (10, 1293968), (13, 995360), (16, 808730), (20, 646984), (26, 497680), (32, 404365), (40, 323492), (52, 248840), (65, 199072), (80, 161746), (104, 124420), (130, 99536), (160, 80873), (208, 62210), (260, 49768), (416, 31105), (520, 24884), (1040, 12442), (2080, 6221)]