28305494780

素因数分解:

$2^2\times 5^1\times {\mathrm{1415274739}}^1$

素因数の和:1415274748

約数の個数: 12

約数和(自身を含む): 59441539080

約数和(自身を除く): 31136044300

約数列:

[1, 2, 4, 5, 10, 20, 1415274739, 2830549478, 5661098956, 7076373695, 14152747390, 28305494780]

約数ペア:

[(1, 28305494780), (2, 14152747390), (4, 7076373695), (5, 5661098956), (10, 2830549478), (20, 1415274739)]