12580400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{4493}}^1$

素因数の和:4518

約数の個数: 60

約数和(自身を含む): 34549872

約数和(自身を除く): 21969472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 4493, 8986, 17972, 22465, 31451, 35944, 44930, 62902, 71888, 89860, 112325, 125804, 157255, 179720, 224650, 251608, 314510, 359440, 449300, 503216, 629020, 786275, 898600, 1258040, 1572550, 1797200, 2516080, 3145100, 6290200, 12580400]

約数ペア:

[(1, 12580400), (2, 6290200), (4, 3145100), (5, 2516080), (7, 1797200), (8, 1572550), (10, 1258040), (14, 898600), (16, 786275), (20, 629020), (25, 503216), (28, 449300), (35, 359440), (40, 314510), (50, 251608), (56, 224650), (70, 179720), (80, 157255), (100, 125804), (112, 112325), (140, 89860), (175, 71888), (200, 62902), (280, 44930), (350, 35944), (400, 31451), (560, 22465), (700, 17972), (1400, 8986), (2800, 4493)]