201780230

素因数分解:

$2^1\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{19763}}^1$

素因数の和:20791

約数の個数: 16

約数和(自身を含む): 363578544

約数和(自身を除く): 161798314

約数列:

[1, 2, 5, 10, 1021, 2042, 5105, 10210, 19763, 39526, 98815, 197630, 20178023, 40356046, 100890115, 201780230]

約数ペア:

[(1, 201780230), (2, 100890115), (5, 40356046), (10, 20178023), (1021, 197630), (2042, 98815), (5105, 39526), (10210, 19763)]