28132240

素因数分解:

$2^4\times 5^1\times {\mathrm{351653}}^1$

素因数の和:351666

約数の個数: 20

約数和(自身を含む): 65407644

約数和(自身を除く): 37275404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 351653, 703306, 1406612, 1758265, 2813224, 3516530, 5626448, 7033060, 14066120, 28132240]

約数ペア:

[(1, 28132240), (2, 14066120), (4, 7033060), (5, 5626448), (8, 3516530), (10, 2813224), (16, 1758265), (20, 1406612), (40, 703306), (80, 351653)]