12444800

素因数分解:

$2^7\times 5^2\times {\mathrm{3889}}^1$

素因数の和:3913

約数の個数: 48

約数和(自身を含む): 30750450

約数和(自身を除く): 18305650

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 3889, 7778, 15556, 19445, 31112, 38890, 62224, 77780, 97225, 124448, 155560, 194450, 248896, 311120, 388900, 497792, 622240, 777800, 1244480, 1555600, 2488960, 3111200, 6222400, 12444800]

約数ペア:

[(1, 12444800), (2, 6222400), (4, 3111200), (5, 2488960), (8, 1555600), (10, 1244480), (16, 777800), (20, 622240), (25, 497792), (32, 388900), (40, 311120), (50, 248896), (64, 194450), (80, 155560), (100, 124448), (128, 97225), (160, 77780), (200, 62224), (320, 38890), (400, 31112), (640, 19445), (800, 15556), (1600, 7778), (3200, 3889)]