200815640

素因数分解:

$2^3\times 5^1\times {\mathrm{5020391}}^1$

素因数の和:5020402

約数の個数: 16

約数和(自身を含む): 451835280

約数和(自身を除く): 251019640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5020391, 10040782, 20081564, 25101955, 40163128, 50203910, 100407820, 200815640]

約数ペア:

[(1, 200815640), (2, 100407820), (4, 50203910), (5, 40163128), (8, 25101955), (10, 20081564), (20, 10040782), (40, 5020391)]