12954160

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{839}}^1$

素因数の和:1045

約数の個数: 40

約数和(自身を含む): 30310560

約数和(自身を除く): 17356400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 839, 965, 1544, 1678, 1930, 3088, 3356, 3860, 4195, 6712, 7720, 8390, 13424, 15440, 16780, 33560, 67120, 161927, 323854, 647708, 809635, 1295416, 1619270, 2590832, 3238540, 6477080, 12954160]

約数ペア:

[(1, 12954160), (2, 6477080), (4, 3238540), (5, 2590832), (8, 1619270), (10, 1295416), (16, 809635), (20, 647708), (40, 323854), (80, 161927), (193, 67120), (386, 33560), (772, 16780), (839, 15440), (965, 13424), (1544, 8390), (1678, 7720), (1930, 6712), (3088, 4195), (3356, 3860)]