808280960

素因数分解:

$2^7\times 5^1\times {\mathrm{1262939}}^1$

素因数の和:1262958

約数の個数: 32

約数和(自身を含む): 1932298200

約数和(自身を除く): 1124017240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1262939, 2525878, 5051756, 6314695, 10103512, 12629390, 20207024, 25258780, 40414048, 50517560, 80828096, 101035120, 161656192, 202070240, 404140480, 808280960]

約数ペア:

[(1, 808280960), (2, 404140480), (4, 202070240), (5, 161656192), (8, 101035120), (10, 80828096), (16, 50517560), (20, 40414048), (32, 25258780), (40, 20207024), (64, 12629390), (80, 10103512), (128, 6314695), (160, 5051756), (320, 2525878), (640, 1262939)]