20080403710

素因数分解:

$2^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{4024129}}^1$

素因数の和:4024635

約数の個数: 16

約数和(自身を含む): 36217170000

約数和(自身を除く): 16136766290

約数列:

[1, 2, 5, 10, 499, 998, 2495, 4990, 4024129, 8048258, 20120645, 40241290, 2008040371, 4016080742, 10040201855, 20080403710]

約数ペア:

[(1, 20080403710), (2, 10040201855), (5, 4016080742), (10, 2008040371), (499, 40241290), (998, 20120645), (2495, 8048258), (4990, 4024129)]