3948940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4201}}^1$

素因数の和:4257

約数の個数: 24

約数和(自身を含む): 8471232

約数和(自身を除く): 4522292

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 4201, 8402, 16804, 21005, 42010, 84020, 197447, 394894, 789788, 987235, 1974470, 3948940]

約数ペア:

[(1, 3948940), (2, 1974470), (4, 987235), (5, 789788), (10, 394894), (20, 197447), (47, 84020), (94, 42010), (188, 21005), (235, 16804), (470, 8402), (940, 4201)]