25948280

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2909}}^1$

素因数の和:3143

約数の個数: 32

約数和(自身を含む): 58665600

約数和(自身を除く): 32717320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 2909, 4460, 5818, 8920, 11636, 14545, 23272, 29090, 58180, 116360, 648707, 1297414, 2594828, 3243535, 5189656, 6487070, 12974140, 25948280]

約数ペア:

[(1, 25948280), (2, 12974140), (4, 6487070), (5, 5189656), (8, 3243535), (10, 2594828), (20, 1297414), (40, 648707), (223, 116360), (446, 58180), (892, 29090), (1115, 23272), (1784, 14545), (2230, 11636), (2909, 8920), (4460, 5818)]