90556000

素因数分解:

$2^5\times 5^3\times {\mathrm{22639}}^1$

素因数の和:22664

約数の個数: 48

約数和(自身を含む): 222505920

約数和(自身を除く): 131949920

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, 22639, 45278, 90556, 113195, 181112, 226390, 362224, 452780, 565975, 724448, 905560, 1131950, 1811120, 2263900, 2829875, 3622240, 4527800, 5659750, 9055600, 11319500, 18111200, 22639000, 45278000, 90556000]

約数ペア:

[(1, 90556000), (2, 45278000), (4, 22639000), (5, 18111200), (8, 11319500), (10, 9055600), (16, 5659750), (20, 4527800), (25, 3622240), (32, 2829875), (40, 2263900), (50, 1811120), (80, 1131950), (100, 905560), (125, 724448), (160, 565975), (200, 452780), (250, 362224), (400, 226390), (500, 181112), (800, 113195), (1000, 90556), (2000, 45278), (4000, 22639)]