15691520840

素因数分解:

$2^3\times 5^1\times {\mathrm{54583}}^1\times {\mathrm{7187}}^1$

素因数の和:61781

約数の個数: 32

約数和(自身を含む): 35311481280

約数和(自身を除く): 19619960440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7187, 14374, 28748, 35935, 54583, 57496, 71870, 109166, 143740, 218332, 272915, 287480, 436664, 545830, 1091660, 2183320, 392288021, 784576042, 1569152084, 1961440105, 3138304168, 3922880210, 7845760420, 15691520840]

約数ペア:

[(1, 15691520840), (2, 7845760420), (4, 3922880210), (5, 3138304168), (8, 1961440105), (10, 1569152084), (20, 784576042), (40, 392288021), (7187, 2183320), (14374, 1091660), (28748, 545830), (35935, 436664), (54583, 287480), (57496, 272915), (71870, 218332), (109166, 143740)]