8889107380

素因数分解:

$2^2\times 5^1\times {\mathrm{444455369}}^1$

素因数の和:444455378

約数の個数: 12

約数和(自身を含む): 18667125540

約数和(自身を除く): 9778018160

約数列:

[1, 2, 4, 5, 10, 20, 444455369, 888910738, 1777821476, 2222276845, 4444553690, 8889107380]

約数ペア:

[(1, 8889107380), (2, 4444553690), (4, 2222276845), (5, 1777821476), (10, 888910738), (20, 444455369)]