12199280

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1399}}^1$

素因数の和:1521

約数の個数: 40

約数和(自身を含む): 28644000

約数和(自身を除く): 16444720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1399, 1744, 2180, 2798, 4360, 5596, 6995, 8720, 11192, 13990, 22384, 27980, 55960, 111920, 152491, 304982, 609964, 762455, 1219928, 1524910, 2439856, 3049820, 6099640, 12199280]

約数ペア:

[(1, 12199280), (2, 6099640), (4, 3049820), (5, 2439856), (8, 1524910), (10, 1219928), (16, 762455), (20, 609964), (40, 304982), (80, 152491), (109, 111920), (218, 55960), (436, 27980), (545, 22384), (872, 13990), (1090, 11192), (1399, 8720), (1744, 6995), (2180, 5596), (2798, 4360)]