8042500

素因数分解:

$2^2\times 5^4\times {\mathrm{3217}}^1$

素因数の和:3241

約数の個数: 30

約数和(自身を含む): 17592806

約数和(自身を除く): 9550306

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 3217, 6434, 12868, 16085, 32170, 64340, 80425, 160850, 321700, 402125, 804250, 1608500, 2010625, 4021250, 8042500]

約数ペア:

[(1, 8042500), (2, 4021250), (4, 2010625), (5, 1608500), (10, 804250), (20, 402125), (25, 321700), (50, 160850), (100, 80425), (125, 64340), (250, 32170), (500, 16085), (625, 12868), (1250, 6434), (2500, 3217)]