13356880

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{839}}^1$

素因数の和:1051

約数の個数: 40

約数和(自身を含む): 31248000

約数和(自身を除く): 17891120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 839, 995, 1592, 1678, 1990, 3184, 3356, 3980, 4195, 6712, 7960, 8390, 13424, 15920, 16780, 33560, 67120, 166961, 333922, 667844, 834805, 1335688, 1669610, 2671376, 3339220, 6678440, 13356880]

約数ペア:

[(1, 13356880), (2, 6678440), (4, 3339220), (5, 2671376), (8, 1669610), (10, 1335688), (16, 834805), (20, 667844), (40, 333922), (80, 166961), (199, 67120), (398, 33560), (796, 16780), (839, 15920), (995, 13424), (1592, 8390), (1678, 7960), (1990, 6712), (3184, 4195), (3356, 3980)]