28724380

素因数分解:

$2^2\times 5^1\times {\mathrm{743}}^1\times {\mathrm{1933}}^1$

素因数の和:2685

約数の個数: 24

約数和(自身を含む): 60433632

約数和(自身を除く): 31709252

約数列:

[1, 2, 4, 5, 10, 20, 743, 1486, 1933, 2972, 3715, 3866, 7430, 7732, 9665, 14860, 19330, 38660, 1436219, 2872438, 5744876, 7181095, 14362190, 28724380]

約数ペア:

[(1, 28724380), (2, 14362190), (4, 7181095), (5, 5744876), (10, 2872438), (20, 1436219), (743, 38660), (1486, 19330), (1933, 14860), (2972, 9665), (3715, 7732), (3866, 7430)]