28305506780

素因数分解:

$2^2\times 5^1\times {\mathrm{1415275339}}^1$

素因数の和:1415275348

約数の個数: 12

約数和(自身を含む): 59441564280

約数和(自身を除く): 31136057500

約数列:

[1, 2, 4, 5, 10, 20, 1415275339, 2830550678, 5661101356, 7076376695, 14152753390, 28305506780]

約数ペア:

[(1, 28305506780), (2, 14152753390), (4, 7076376695), (5, 5661101356), (10, 2830550678), (20, 1415275339)]