548049380

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{65089}}^1$

素因数の和:65519

約数の個数: 24

約数和(自身を含む): 1153655160

約数和(自身を除く): 605605780

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 65089, 130178, 260356, 325445, 650890, 1301780, 27402469, 54804938, 109609876, 137012345, 274024690, 548049380]

約数ペア:

[(1, 548049380), (2, 274024690), (4, 137012345), (5, 109609876), (10, 54804938), (20, 27402469), (421, 1301780), (842, 650890), (1684, 325445), (2105, 260356), (4210, 130178), (8420, 65089)]