13403920

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1279}}^1$

素因数の和:1423

約数の個数: 40

約数和(自身を含む): 31426560

約数和(自身を除く): 18022640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1279, 1310, 2096, 2558, 2620, 5116, 5240, 6395, 10232, 10480, 12790, 20464, 25580, 51160, 102320, 167549, 335098, 670196, 837745, 1340392, 1675490, 2680784, 3350980, 6701960, 13403920]

約数ペア:

[(1, 13403920), (2, 6701960), (4, 3350980), (5, 2680784), (8, 1675490), (10, 1340392), (16, 837745), (20, 670196), (40, 335098), (80, 167549), (131, 102320), (262, 51160), (524, 25580), (655, 20464), (1048, 12790), (1279, 10480), (1310, 10232), (2096, 6395), (2558, 5240), (2620, 5116)]