162961520

素因数分解:

$2^4\times 5^1\times {\mathrm{2037019}}^1$

素因数の和:2037032

約数の個数: 20

約数和(自身を含む): 378885720

約数和(自身を除く): 215924200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2037019, 4074038, 8148076, 10185095, 16296152, 20370190, 32592304, 40740380, 81480760, 162961520]

約数ペア:

[(1, 162961520), (2, 81480760), (4, 40740380), (5, 32592304), (8, 20370190), (10, 16296152), (16, 10185095), (20, 8148076), (40, 4074038), (80, 2037019)]