2656460

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{419}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 5609520

約数和(自身を除く): 2953060

約数列:

[1, 2, 4, 5, 10, 20, 317, 419, 634, 838, 1268, 1585, 1676, 2095, 3170, 4190, 6340, 8380, 132823, 265646, 531292, 664115, 1328230, 2656460]

約数ペア:

[(1, 2656460), (2, 1328230), (4, 664115), (5, 531292), (10, 265646), (20, 132823), (317, 8380), (419, 6340), (634, 4190), (838, 3170), (1268, 2095), (1585, 1676)]