19608800

素因数分解:

$2^5\times 5^2\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:340

約数の個数: 72

約数和(自身を含む): 48496896

約数和(自身を除く): 28888096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 127, 160, 193, 200, 254, 386, 400, 508, 635, 772, 800, 965, 1016, 1270, 1544, 1930, 2032, 2540, 3088, 3175, 3860, 4064, 4825, 5080, 6176, 6350, 7720, 9650, 10160, 12700, 15440, 19300, 20320, 24511, 25400, 30880, 38600, 49022, 50800, 77200, 98044, 101600, 122555, 154400, 196088, 245110, 392176, 490220, 612775, 784352, 980440, 1225550, 1960880, 2451100, 3921760, 4902200, 9804400, 19608800]

約数ペア:

[(1, 19608800), (2, 9804400), (4, 4902200), (5, 3921760), (8, 2451100), (10, 1960880), (16, 1225550), (20, 980440), (25, 784352), (32, 612775), (40, 490220), (50, 392176), (80, 245110), (100, 196088), (127, 154400), (160, 122555), (193, 101600), (200, 98044), (254, 77200), (386, 50800), (400, 49022), (508, 38600), (635, 30880), (772, 25400), (800, 24511), (965, 20320), (1016, 19300), (1270, 15440), (1544, 12700), (1930, 10160), (2032, 9650), (2540, 7720), (3088, 6350), (3175, 6176), (3860, 5080), (4064, 4825)]