90712880

素因数分解:

$2^4\times 5^1\times {\mathrm{1133911}}^1$

素因数の和:1133924

約数の個数: 20

約数和(自身を含む): 210907632

約数和(自身を除く): 120194752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1133911, 2267822, 4535644, 5669555, 9071288, 11339110, 18142576, 22678220, 45356440, 90712880]

約数ペア:

[(1, 90712880), (2, 45356440), (4, 22678220), (5, 18142576), (8, 11339110), (10, 9071288), (16, 5669555), (20, 4535644), (40, 2267822), (80, 1133911)]