13521520

素因数分解:

$2^4\times 5^1\times {\mathrm{169019}}^1$

素因数の和:169032

約数の個数: 20

約数和(自身を含む): 31437720

約数和(自身を除く): 17916200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 169019, 338038, 676076, 845095, 1352152, 1690190, 2704304, 3380380, 6760760, 13521520]

約数ペア:

[(1, 13521520), (2, 6760760), (4, 3380380), (5, 2704304), (8, 1690190), (10, 1352152), (16, 845095), (20, 676076), (40, 338038), (80, 169019)]