4250259220

素因数分解:

$2^2\times 5^1\times {\mathrm{212512961}}^1$

素因数の和:212512970

約数の個数: 12

約数和(自身を含む): 8925544404

約数和(自身を除く): 4675285184

約数列:

[1, 2, 4, 5, 10, 20, 212512961, 425025922, 850051844, 1062564805, 2125129610, 4250259220]

約数ペア:

[(1, 4250259220), (2, 2125129610), (4, 1062564805), (5, 850051844), (10, 425025922), (20, 212512961)]