12686120

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1327}}^1$

素因数の和:1577

約数の個数: 32

約数和(自身を含む): 28684800

約数和(自身を除く): 15998680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1327, 1912, 2390, 2654, 4780, 5308, 6635, 9560, 10616, 13270, 26540, 53080, 317153, 634306, 1268612, 1585765, 2537224, 3171530, 6343060, 12686120]

約数ペア:

[(1, 12686120), (2, 6343060), (4, 3171530), (5, 2537224), (8, 1585765), (10, 1268612), (20, 634306), (40, 317153), (239, 53080), (478, 26540), (956, 13270), (1195, 10616), (1327, 9560), (1912, 6635), (2390, 5308), (2654, 4780)]