90262000

素因数分解:

$2^4\times 5^3\times {\mathrm{45131}}^1$

素因数の和:45154

約数の個数: 40

約数和(自身を含む): 218258352

約数和(自身を除く): 127996352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 45131, 90262, 180524, 225655, 361048, 451310, 722096, 902620, 1128275, 1805240, 2256550, 3610480, 4513100, 5641375, 9026200, 11282750, 18052400, 22565500, 45131000, 90262000]

約数ペア:

[(1, 90262000), (2, 45131000), (4, 22565500), (5, 18052400), (8, 11282750), (10, 9026200), (16, 5641375), (20, 4513100), (25, 3610480), (40, 2256550), (50, 1805240), (80, 1128275), (100, 902620), (125, 722096), (200, 451310), (250, 361048), (400, 225655), (500, 180524), (1000, 90262), (2000, 45131)]