12680380

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2467}}^1$

素因数の和:2733

約数の個数: 24

約数和(自身を含む): 26743248

約数和(自身を除く): 14062868

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2467, 2570, 4934, 5140, 9868, 12335, 24670, 49340, 634019, 1268038, 2536076, 3170095, 6340190, 12680380]

約数ペア:

[(1, 12680380), (2, 6340190), (4, 3170095), (5, 2536076), (10, 1268038), (20, 634019), (257, 49340), (514, 24670), (1028, 12335), (1285, 9868), (2467, 5140), (2570, 4934)]