90232880

素因数分解:

$2^4\times 5^1\times {\mathrm{1127911}}^1$

素因数の和:1127924

約数の個数: 20

約数和(自身を含む): 209791632

約数和(自身を除く): 119558752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1127911, 2255822, 4511644, 5639555, 9023288, 11279110, 18046576, 22558220, 45116440, 90232880]

約数ペア:

[(1, 90232880), (2, 45116440), (4, 22558220), (5, 18046576), (8, 11279110), (10, 9023288), (16, 5639555), (20, 4511644), (40, 2255822), (80, 1127911)]