161735440

素因数分解:

$2^4\times 5^1\times {\mathrm{2021693}}^1$

素因数の和:2021706

約数の個数: 20

約数和(自身を含む): 376035084

約数和(自身を除く): 214299644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2021693, 4043386, 8086772, 10108465, 16173544, 20216930, 32347088, 40433860, 80867720, 161735440]

約数ペア:

[(1, 161735440), (2, 80867720), (4, 40433860), (5, 32347088), (8, 20216930), (10, 16173544), (16, 10108465), (20, 8086772), (40, 4043386), (80, 2021693)]