4012900

素因数分解:

$2^2\times 5^2\times {\mathrm{40129}}^1$

素因数の和:40143

約数の個数: 18

約数和(自身を含む): 8708210

約数和(自身を除く): 4695310

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 40129, 80258, 160516, 200645, 401290, 802580, 1003225, 2006450, 4012900]

約数ペア:

[(1, 4012900), (2, 2006450), (4, 1003225), (5, 802580), (10, 401290), (20, 200645), (25, 160516), (50, 80258), (100, 40129)]