12505840

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{701}}^1$

素因数の和:937

約数の個数: 40

約数和(自身を含む): 29248128

約数和(自身を除く): 16742288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 701, 892, 1115, 1402, 1784, 2230, 2804, 3505, 3568, 4460, 5608, 7010, 8920, 11216, 14020, 17840, 28040, 56080, 156323, 312646, 625292, 781615, 1250584, 1563230, 2501168, 3126460, 6252920, 12505840]

約数ペア:

[(1, 12505840), (2, 6252920), (4, 3126460), (5, 2501168), (8, 1563230), (10, 1250584), (16, 781615), (20, 625292), (40, 312646), (80, 156323), (223, 56080), (446, 28040), (701, 17840), (892, 14020), (1115, 11216), (1402, 8920), (1784, 7010), (2230, 5608), (2804, 4460), (3505, 3568)]