81049000

素因数分解:

$2^3\times 5^3\times {\mathrm{81049}}^1$

素因数の和:81070

約数の個数: 32

約数和(自身を含む): 189657000

約数和(自身を除く): 108608000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 81049, 162098, 324196, 405245, 648392, 810490, 1620980, 2026225, 3241960, 4052450, 8104900, 10131125, 16209800, 20262250, 40524500, 81049000]

約数ペア:

[(1, 81049000), (2, 40524500), (4, 20262250), (5, 16209800), (8, 10131125), (10, 8104900), (20, 4052450), (25, 3241960), (40, 2026225), (50, 1620980), (100, 810490), (125, 648392), (200, 405245), (250, 324196), (500, 162098), (1000, 81049)]