27686000

素因数分解:

$2^4\times 5^3\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:259

約数の個数: 80

約数和(自身を含む): 68090880

約数和(自身を除く): 40404880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 109, 125, 127, 200, 218, 250, 254, 400, 436, 500, 508, 545, 635, 872, 1000, 1016, 1090, 1270, 1744, 2000, 2032, 2180, 2540, 2725, 3175, 4360, 5080, 5450, 6350, 8720, 10160, 10900, 12700, 13625, 13843, 15875, 21800, 25400, 27250, 27686, 31750, 43600, 50800, 54500, 55372, 63500, 69215, 109000, 110744, 127000, 138430, 218000, 221488, 254000, 276860, 346075, 553720, 692150, 1107440, 1384300, 1730375, 2768600, 3460750, 5537200, 6921500, 13843000, 27686000]

約数ペア:

[(1, 27686000), (2, 13843000), (4, 6921500), (5, 5537200), (8, 3460750), (10, 2768600), (16, 1730375), (20, 1384300), (25, 1107440), (40, 692150), (50, 553720), (80, 346075), (100, 276860), (109, 254000), (125, 221488), (127, 218000), (200, 138430), (218, 127000), (250, 110744), (254, 109000), (400, 69215), (436, 63500), (500, 55372), (508, 54500), (545, 50800), (635, 43600), (872, 31750), (1000, 27686), (1016, 27250), (1090, 25400), (1270, 21800), (1744, 15875), (2000, 13843), (2032, 13625), (2180, 12700), (2540, 10900), (2725, 10160), (3175, 8720), (4360, 6350), (5080, 5450)]