12789560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{45677}}^1$

素因数の和:45695

約数の個数: 32

約数和(自身を含む): 32888160

約数和(自身を除く): 20098600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 45677, 91354, 182708, 228385, 319739, 365416, 456770, 639478, 913540, 1278956, 1598695, 1827080, 2557912, 3197390, 6394780, 12789560]

約数ペア:

[(1, 12789560), (2, 6394780), (4, 3197390), (5, 2557912), (7, 1827080), (8, 1598695), (10, 1278956), (14, 913540), (20, 639478), (28, 456770), (35, 365416), (40, 319739), (56, 228385), (70, 182708), (140, 91354), (280, 45677)]