161637040

素因数分解:

$2^4\times 5^1\times {\mathrm{2020463}}^1$

素因数の和:2020476

約数の個数: 20

約数和(自身を含む): 375806304

約数和(自身を除く): 214169264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2020463, 4040926, 8081852, 10102315, 16163704, 20204630, 32327408, 40409260, 80818520, 161637040]

約数ペア:

[(1, 161637040), (2, 80818520), (4, 40409260), (5, 32327408), (8, 20204630), (10, 16163704), (16, 10102315), (20, 8081852), (40, 4040926), (80, 2020463)]