89735440

素因数分解:

$2^4\times 5^1\times {\mathrm{1121693}}^1$

素因数の和:1121706

約数の個数: 20

約数和(自身を含む): 208635084

約数和(自身を除く): 118899644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1121693, 2243386, 4486772, 5608465, 8973544, 11216930, 17947088, 22433860, 44867720, 89735440]

約数ペア:

[(1, 89735440), (2, 44867720), (4, 22433860), (5, 17947088), (8, 11216930), (10, 8973544), (16, 5608465), (20, 4486772), (40, 2243386), (80, 1121693)]