890257580

素因数分解:

$2^2\times 5^1\times {\mathrm{44512879}}^1$

素因数の和:44512888

約数の個数: 12

約数和(自身を含む): 1869540960

約数和(自身を除く): 979283380

約数列:

[1, 2, 4, 5, 10, 20, 44512879, 89025758, 178051516, 222564395, 445128790, 890257580]

約数ペア:

[(1, 890257580), (2, 445128790), (4, 222564395), (5, 178051516), (10, 89025758), (20, 44512879)]