206880560

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{13399}}^1$

素因数の和:13605

約数の個数: 40

約数和(自身を含む): 483525600

約数和(自身を除く): 276645040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 13399, 15440, 26798, 53596, 66995, 107192, 133990, 214384, 267980, 535960, 1071920, 2586007, 5172014, 10344028, 12930035, 20688056, 25860070, 41376112, 51720140, 103440280, 206880560]

約数ペア:

[(1, 206880560), (2, 103440280), (4, 51720140), (5, 41376112), (8, 25860070), (10, 20688056), (16, 12930035), (20, 10344028), (40, 5172014), (80, 2586007), (193, 1071920), (386, 535960), (772, 267980), (965, 214384), (1544, 133990), (1930, 107192), (3088, 66995), (3860, 53596), (7720, 26798), (13399, 15440)]