123574040

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{16007}}^1$

素因数の和:16211

約数の個数: 32

約数和(自身を含む): 279499680

約数和(自身を除く): 155925640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 16007, 32014, 64028, 80035, 128056, 160070, 320140, 640280, 3089351, 6178702, 12357404, 15446755, 24714808, 30893510, 61787020, 123574040]

約数ペア:

[(1, 123574040), (2, 61787020), (4, 30893510), (5, 24714808), (8, 15446755), (10, 12357404), (20, 6178702), (40, 3089351), (193, 640280), (386, 320140), (772, 160070), (965, 128056), (1544, 80035), (1930, 64028), (3860, 32014), (7720, 16007)]