8889012980

素因数分解:

$2^2\times 5^1\times {\mathrm{444450649}}^1$

素因数の和:444450658

約数の個数: 12

約数和(自身を含む): 18666927300

約数和(自身を除く): 9777914320

約数列:

[1, 2, 4, 5, 10, 20, 444450649, 888901298, 1777802596, 2222253245, 4444506490, 8889012980]

約数ペア:

[(1, 8889012980), (2, 4444506490), (4, 2222253245), (5, 1777802596), (10, 888901298), (20, 444450649)]