12861560

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2347}}^1$

素因数の和:2495

約数の個数: 32

約数和(自身を含む): 29162160

約数和(自身を除く): 16300600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2347, 2740, 4694, 5480, 9388, 11735, 18776, 23470, 46940, 93880, 321539, 643078, 1286156, 1607695, 2572312, 3215390, 6430780, 12861560]

約数ペア:

[(1, 12861560), (2, 6430780), (4, 3215390), (5, 2572312), (8, 1607695), (10, 1286156), (20, 643078), (40, 321539), (137, 93880), (274, 46940), (548, 23470), (685, 18776), (1096, 11735), (1370, 9388), (2347, 5480), (2740, 4694)]