15195760

素因数分解:

$2^4\times 5^1\times {\mathrm{189947}}^1$

素因数の和:189960

約数の個数: 20

約数和(自身を含む): 35330328

約数和(自身を除く): 20134568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 189947, 379894, 759788, 949735, 1519576, 1899470, 3039152, 3798940, 7597880, 15195760]

約数ペア:

[(1, 15195760), (2, 7597880), (4, 3798940), (5, 3039152), (8, 1899470), (10, 1519576), (16, 949735), (20, 759788), (40, 379894), (80, 189947)]