13240660

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10853}}^1$

素因数の和:10923

約数の個数: 24

約数和(自身を含む): 28263816

約数和(自身を除く): 15023156

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 10853, 21706, 43412, 54265, 108530, 217060, 662033, 1324066, 2648132, 3310165, 6620330, 13240660]

約数ペア:

[(1, 13240660), (2, 6620330), (4, 3310165), (5, 2648132), (10, 1324066), (20, 662033), (61, 217060), (122, 108530), (244, 54265), (305, 43412), (610, 21706), (1220, 10853)]