173811280

素因数分解:

$2^4\times 5^1\times {\mathrm{2172641}}^1$

素因数の和:2172654

約数の個数: 20

約数和(自身を含む): 404111412

約数和(自身を除く): 230300132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2172641, 4345282, 8690564, 10863205, 17381128, 21726410, 34762256, 43452820, 86905640, 173811280]

約数ペア:

[(1, 173811280), (2, 86905640), (4, 43452820), (5, 34762256), (8, 21726410), (10, 17381128), (16, 10863205), (20, 8690564), (40, 4345282), (80, 2172641)]