4987180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22669}}^1$

素因数の和:22689

約数の個数: 24

約数和(自身を含む): 11425680

約数和(自身を除く): 6438500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 22669, 45338, 90676, 113345, 226690, 249359, 453380, 498718, 997436, 1246795, 2493590, 4987180]

約数ペア:

[(1, 4987180), (2, 2493590), (4, 1246795), (5, 997436), (10, 498718), (11, 453380), (20, 249359), (22, 226690), (44, 113345), (55, 90676), (110, 45338), (220, 22669)]