164052760

素因数分解:

$2^3\times 5^1\times {\mathrm{4101319}}^1$

素因数の和:4101330

約数の個数: 16

約数和(自身を含む): 369118800

約数和(自身を除く): 205066040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4101319, 8202638, 16405276, 20506595, 32810552, 41013190, 82026380, 164052760]

約数ペア:

[(1, 164052760), (2, 82026380), (4, 41013190), (5, 32810552), (8, 20506595), (10, 16405276), (20, 8202638), (40, 4101319)]