38446000

素因数分解:

$2^4\times 5^3\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:479

約数の個数: 80

約数和(自身を含む): 95172480

約数和(自身を除く): 56726480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 47, 50, 80, 94, 100, 125, 188, 200, 235, 250, 376, 400, 409, 470, 500, 752, 818, 940, 1000, 1175, 1636, 1880, 2000, 2045, 2350, 3272, 3760, 4090, 4700, 5875, 6544, 8180, 9400, 10225, 11750, 16360, 18800, 19223, 20450, 23500, 32720, 38446, 40900, 47000, 51125, 76892, 81800, 94000, 96115, 102250, 153784, 163600, 192230, 204500, 307568, 384460, 409000, 480575, 768920, 818000, 961150, 1537840, 1922300, 2402875, 3844600, 4805750, 7689200, 9611500, 19223000, 38446000]

約数ペア:

[(1, 38446000), (2, 19223000), (4, 9611500), (5, 7689200), (8, 4805750), (10, 3844600), (16, 2402875), (20, 1922300), (25, 1537840), (40, 961150), (47, 818000), (50, 768920), (80, 480575), (94, 409000), (100, 384460), (125, 307568), (188, 204500), (200, 192230), (235, 163600), (250, 153784), (376, 102250), (400, 96115), (409, 94000), (470, 81800), (500, 76892), (752, 51125), (818, 47000), (940, 40900), (1000, 38446), (1175, 32720), (1636, 23500), (1880, 20450), (2000, 19223), (2045, 18800), (2350, 16360), (3272, 11750), (3760, 10225), (4090, 9400), (4700, 8180), (5875, 6544)]