12900440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{46073}}^1$

素因数の和:46091

約数の個数: 32

約数和(自身を含む): 33173280

約数和(自身を除く): 20272840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 46073, 92146, 184292, 230365, 322511, 368584, 460730, 645022, 921460, 1290044, 1612555, 1842920, 2580088, 3225110, 6450220, 12900440]

約数ペア:

[(1, 12900440), (2, 6450220), (4, 3225110), (5, 2580088), (7, 1842920), (8, 1612555), (10, 1290044), (14, 921460), (20, 645022), (28, 460730), (35, 368584), (40, 322511), (56, 230365), (70, 184292), (140, 92146), (280, 46073)]