67648940

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{12211}}^1$

素因数の和:12497

約数の個数: 24

約数和(自身を含む): 142587312

約数和(自身を除く): 74938372

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 12211, 24422, 48844, 61055, 122110, 244220, 3382447, 6764894, 13529788, 16912235, 33824470, 67648940]

約数ペア:

[(1, 67648940), (2, 33824470), (4, 16912235), (5, 13529788), (10, 6764894), (20, 3382447), (277, 244220), (554, 122110), (1108, 61055), (1385, 48844), (2770, 24422), (5540, 12211)]