67221380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{47339}}^1$

素因数の和:47419

約数の個数: 24

約数和(自身を含む): 143156160

約数和(自身を除く): 75934780

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 47339, 94678, 189356, 236695, 473390, 946780, 3361069, 6722138, 13444276, 16805345, 33610690, 67221380]

約数ペア:

[(1, 67221380), (2, 33610690), (4, 16805345), (5, 13444276), (10, 6722138), (20, 3361069), (71, 946780), (142, 473390), (284, 236695), (355, 189356), (710, 94678), (1420, 47339)]