16808140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{17881}}^1$

素因数の和:17937

約数の個数: 24

約数和(自身を含む): 36050112

約数和(自身を除く): 19241972

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 17881, 35762, 71524, 89405, 178810, 357620, 840407, 1680814, 3361628, 4202035, 8404070, 16808140]

約数ペア:

[(1, 16808140), (2, 8404070), (4, 4202035), (5, 3361628), (10, 1680814), (20, 840407), (47, 357620), (94, 178810), (188, 89405), (235, 71524), (470, 35762), (940, 17881)]