15680660

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12853}}^1$

素因数の和:12923

約数の個数: 24

約数和(自身を含む): 33471816

約数和(自身を除く): 17791156

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 12853, 25706, 51412, 64265, 128530, 257060, 784033, 1568066, 3136132, 3920165, 7840330, 15680660]

約数ペア:

[(1, 15680660), (2, 7840330), (4, 3920165), (5, 3136132), (10, 1568066), (20, 784033), (61, 257060), (122, 128530), (244, 64265), (305, 51412), (610, 25706), (1220, 12853)]