20180320

素因数分解:

$2^5\times 5^1\times {\mathrm{126127}}^1$

素因数の和:126142

約数の個数: 24

約数和(自身を含む): 47676384

約数和(自身を除く): 27496064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 126127, 252254, 504508, 630635, 1009016, 1261270, 2018032, 2522540, 4036064, 5045080, 10090160, 20180320]

約数ペア:

[(1, 20180320), (2, 10090160), (4, 5045080), (5, 4036064), (8, 2522540), (10, 2018032), (16, 1261270), (20, 1009016), (32, 630635), (40, 504508), (80, 252254), (160, 126127)]