1379120

素因数分解:

$2^4\times 5^1\times {\mathrm{17239}}^1$

素因数の和:17252

約数の個数: 20

約数和(自身を含む): 3206640

約数和(自身を除く): 1827520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 17239, 34478, 68956, 86195, 137912, 172390, 275824, 344780, 689560, 1379120]

約数ペア:

[(1, 1379120), (2, 689560), (4, 344780), (5, 275824), (8, 172390), (10, 137912), (16, 86195), (20, 68956), (40, 34478), (80, 17239)]