39198580

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17981}}^1$

素因数の和:18099

約数の個数: 24

約数和(自身を含む): 83076840

約数和(自身を除く): 43878260

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 17981, 35962, 71924, 89905, 179810, 359620, 1959929, 3919858, 7839716, 9799645, 19599290, 39198580]

約数ペア:

[(1, 39198580), (2, 19599290), (4, 9799645), (5, 7839716), (10, 3919858), (20, 1959929), (109, 359620), (218, 179810), (436, 89905), (545, 71924), (1090, 35962), (2180, 17981)]