200021165

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{22691}}^1$

素因数の和:22780

約数の個数: 16

約数和(自身を含む): 251608896

約数和(自身を除く): 51587731

約数列:

[1, 5, 41, 43, 205, 215, 1763, 8815, 22691, 113455, 930331, 975713, 4651655, 4878565, 40004233, 200021165]

約数ペア:

[(1, 200021165), (5, 40004233), (41, 4878565), (43, 4651655), (205, 975713), (215, 930331), (1763, 113455), (8815, 22691)]