8786840

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2053}}^1$

素因数の和:2171

約数の個数: 32

約数和(自身を含む): 19964880

約数和(自身を除く): 11178040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2053, 2140, 4106, 4280, 8212, 10265, 16424, 20530, 41060, 82120, 219671, 439342, 878684, 1098355, 1757368, 2196710, 4393420, 8786840]

約数ペア:

[(1, 8786840), (2, 4393420), (4, 2196710), (5, 1757368), (8, 1098355), (10, 878684), (20, 439342), (40, 219671), (107, 82120), (214, 41060), (428, 20530), (535, 16424), (856, 10265), (1070, 8212), (2053, 4280), (2140, 4106)]