90841040

素因数分解:

$2^4\times 5^1\times {\mathrm{1135513}}^1$

素因数の和:1135526

約数の個数: 20

約数和(自身を含む): 211205604

約数和(自身を除く): 120364564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1135513, 2271026, 4542052, 5677565, 9084104, 11355130, 18168208, 22710260, 45420520, 90841040]

約数ペア:

[(1, 90841040), (2, 45420520), (4, 22710260), (5, 18168208), (8, 11355130), (10, 9084104), (16, 5677565), (20, 4542052), (40, 2271026), (80, 1135513)]