1262000

素因数分解:

$2^4\times 5^3\times {\mathrm{631}}^1$

素因数の和:654

約数の個数: 40

約数和(自身を含む): 3056352

約数和(自身を除く): 1794352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 631, 1000, 1262, 2000, 2524, 3155, 5048, 6310, 10096, 12620, 15775, 25240, 31550, 50480, 63100, 78875, 126200, 157750, 252400, 315500, 631000, 1262000]

約数ペア:

[(1, 1262000), (2, 631000), (4, 315500), (5, 252400), (8, 157750), (10, 126200), (16, 78875), (20, 63100), (25, 50480), (40, 31550), (50, 25240), (80, 15775), (100, 12620), (125, 10096), (200, 6310), (250, 5048), (400, 3155), (500, 2524), (631, 2000), (1000, 1262)]