5123840

素因数分解:

$2^8\times 5^1\times {\mathrm{4003}}^1$

素因数の和:4024

約数の個数: 36

約数和(自身を含む): 12276264

約数和(自身を除く): 7152424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 4003, 8006, 16012, 20015, 32024, 40030, 64048, 80060, 128096, 160120, 256192, 320240, 512384, 640480, 1024768, 1280960, 2561920, 5123840]

約数ペア:

[(1, 5123840), (2, 2561920), (4, 1280960), (5, 1024768), (8, 640480), (10, 512384), (16, 320240), (20, 256192), (32, 160120), (40, 128096), (64, 80060), (80, 64048), (128, 40030), (160, 32024), (256, 20015), (320, 16012), (640, 8006), (1280, 4003)]