2013520720

素因数分解:

$2^4\times 5^1\times {\mathrm{25169009}}^1$

素因数の和:25169022

約数の個数: 20

約数和(自身を含む): 4681435860

約数和(自身を除く): 2667915140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25169009, 50338018, 100676036, 125845045, 201352072, 251690090, 402704144, 503380180, 1006760360, 2013520720]

約数ペア:

[(1, 2013520720), (2, 1006760360), (4, 503380180), (5, 402704144), (8, 251690090), (10, 201352072), (16, 125845045), (20, 100676036), (40, 50338018), (80, 25169009)]