38891180

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{20047}}^1$

素因数の和:20153

約数の個数: 24

約数和(自身を含む): 82517568

約数和(自身を除く): 43626388

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 20047, 40094, 80188, 100235, 200470, 400940, 1944559, 3889118, 7778236, 9722795, 19445590, 38891180]

約数ペア:

[(1, 38891180), (2, 19445590), (4, 9722795), (5, 7778236), (10, 3889118), (20, 1944559), (97, 400940), (194, 200470), (388, 100235), (485, 80188), (970, 40094), (1940, 20047)]