1787080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1039}}^1$

素因数の和:1093

約数の個数: 32

約数和(自身を含む): 4118400

約数和(自身を除く): 2331320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1039, 1720, 2078, 4156, 5195, 8312, 10390, 20780, 41560, 44677, 89354, 178708, 223385, 357416, 446770, 893540, 1787080]

約数ペア:

[(1, 1787080), (2, 893540), (4, 446770), (5, 357416), (8, 223385), (10, 178708), (20, 89354), (40, 44677), (43, 41560), (86, 20780), (172, 10390), (215, 8312), (344, 5195), (430, 4156), (860, 2078), (1039, 1720)]