3988700

素因数分解:

$2^2\times 5^2\times {\mathrm{39887}}^1$

素因数の和:39901

約数の個数: 18

約数和(自身を含む): 8655696

約数和(自身を除く): 4666996

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 39887, 79774, 159548, 199435, 398870, 797740, 997175, 1994350, 3988700]

約数ペア:

[(1, 3988700), (2, 1994350), (4, 997175), (5, 797740), (10, 398870), (20, 199435), (25, 159548), (50, 79774), (100, 39887)]