8889488380

素因数分解:

$2^2\times 5^1\times {\mathrm{444474419}}^1$

素因数の和:444474428

約数の個数: 12

約数和(自身を含む): 18667925640

約数和(自身を除く): 9778437260

約数列:

[1, 2, 4, 5, 10, 20, 444474419, 888948838, 1777897676, 2222372095, 4444744190, 8889488380]

約数ペア:

[(1, 8889488380), (2, 4444744190), (4, 2222372095), (5, 1777897676), (10, 888948838), (20, 444474419)]