111231280

素因数分解:

$2^4\times 5^1\times {\mathrm{1390391}}^1$

素因数の和:1390404

約数の個数: 20

約数和(自身を含む): 258612912

約数和(自身を除く): 147381632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1390391, 2780782, 5561564, 6951955, 11123128, 13903910, 22246256, 27807820, 55615640, 111231280]

約数ペア:

[(1, 111231280), (2, 55615640), (4, 27807820), (5, 22246256), (8, 13903910), (10, 11123128), (16, 6951955), (20, 5561564), (40, 2780782), (80, 1390391)]