12278840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43853}}^1$

素因数の和:43871

約数の個数: 32

約数和(自身を含む): 31574880

約数和(自身を除く): 19296040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 43853, 87706, 175412, 219265, 306971, 350824, 438530, 613942, 877060, 1227884, 1534855, 1754120, 2455768, 3069710, 6139420, 12278840]

約数ペア:

[(1, 12278840), (2, 6139420), (4, 3069710), (5, 2455768), (7, 1754120), (8, 1534855), (10, 1227884), (14, 877060), (20, 613942), (28, 438530), (35, 350824), (40, 306971), (56, 219265), (70, 175412), (140, 87706), (280, 43853)]