38898940

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{20051}}^1$

素因数の和:20157

約数の個数: 24

約数和(自身を含む): 82534032

約数和(自身を除く): 43635092

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 20051, 40102, 80204, 100255, 200510, 401020, 1944947, 3889894, 7779788, 9724735, 19449470, 38898940]

約数ペア:

[(1, 38898940), (2, 19449470), (4, 9724735), (5, 7779788), (10, 3889894), (20, 1944947), (97, 401020), (194, 200510), (388, 100255), (485, 80204), (970, 40102), (1940, 20051)]