1667420

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{317}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 3525984

約数和(自身を除く): 1858564

約数列:

[1, 2, 4, 5, 10, 20, 263, 317, 526, 634, 1052, 1268, 1315, 1585, 2630, 3170, 5260, 6340, 83371, 166742, 333484, 416855, 833710, 1667420]

約数ペア:

[(1, 1667420), (2, 833710), (4, 416855), (5, 333484), (10, 166742), (20, 83371), (263, 6340), (317, 5260), (526, 3170), (634, 2630), (1052, 1585), (1268, 1315)]