25473380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{17939}}^1$

素因数の和:18019

約数の個数: 24

約数和(自身を含む): 54250560

約数和(自身を除く): 28777180

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 17939, 35878, 71756, 89695, 179390, 358780, 1273669, 2547338, 5094676, 6368345, 12736690, 25473380]

約数ペア:

[(1, 25473380), (2, 12736690), (4, 6368345), (5, 5094676), (10, 2547338), (20, 1273669), (71, 358780), (142, 179390), (284, 89695), (355, 71756), (710, 35878), (1420, 17939)]