12758480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{22783}}^1$

素因数の和:22803

約数の個数: 40

約数和(自身を含む): 33902592

約数和(自身を除く): 21144112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 22783, 45566, 91132, 113915, 159481, 182264, 227830, 318962, 364528, 455660, 637924, 797405, 911320, 1275848, 1594810, 1822640, 2551696, 3189620, 6379240, 12758480]

約数ペア:

[(1, 12758480), (2, 6379240), (4, 3189620), (5, 2551696), (7, 1822640), (8, 1594810), (10, 1275848), (14, 911320), (16, 797405), (20, 637924), (28, 455660), (35, 364528), (40, 318962), (56, 227830), (70, 182264), (80, 159481), (112, 113915), (140, 91132), (280, 45566), (560, 22783)]