51556000

素因数分解:

$2^5\times 5^3\times {\mathrm{12889}}^1$

素因数の和:12914

約数の個数: 48

約数和(自身を含む): 126682920

約数和(自身を除く): 75126920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 12889, 25778, 51556, 64445, 103112, 128890, 206224, 257780, 322225, 412448, 515560, 644450, 1031120, 1288900, 1611125, 2062240, 2577800, 3222250, 5155600, 6444500, 10311200, 12889000, 25778000, 51556000]

約数ペア:

[(1, 51556000), (2, 25778000), (4, 12889000), (5, 10311200), (8, 6444500), (10, 5155600), (16, 3222250), (20, 2577800), (25, 2062240), (32, 1611125), (40, 1288900), (50, 1031120), (80, 644450), (100, 515560), (125, 412448), (160, 322225), (200, 257780), (250, 206224), (400, 128890), (500, 103112), (800, 64445), (1000, 51556), (2000, 25778), (4000, 12889)]