40320320

素因数分解:

$2^6\times 5^1\times {\mathrm{126001}}^1$

素因数の和:126018

約数の個数: 28

約数和(自身を含む): 96013524

約数和(自身を除く): 55693204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 126001, 252002, 504004, 630005, 1008008, 1260010, 2016016, 2520020, 4032032, 5040040, 8064064, 10080080, 20160160, 40320320]

約数ペア:

[(1, 40320320), (2, 20160160), (4, 10080080), (5, 8064064), (8, 5040040), (10, 4032032), (16, 2520020), (20, 2016016), (32, 1260010), (40, 1008008), (64, 630005), (80, 504004), (160, 252002), (320, 126001)]