8147780

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1327}}^1$

素因数の和:1643

約数の個数: 24

約数和(自身を含む): 17179008

約数和(自身を除く): 9031228

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1327, 1535, 2654, 3070, 5308, 6140, 6635, 13270, 26540, 407389, 814778, 1629556, 2036945, 4073890, 8147780]

約数ペア:

[(1, 8147780), (2, 4073890), (4, 2036945), (5, 1629556), (10, 814778), (20, 407389), (307, 26540), (614, 13270), (1228, 6635), (1327, 6140), (1535, 5308), (2654, 3070)]