6403840

素因数分解:

$2^8\times 5^1\times {\mathrm{5003}}^1$

素因数の和:5024

約数の個数: 36

約数和(自身を含む): 15342264

約数和(自身を除く): 8938424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 5003, 10006, 20012, 25015, 40024, 50030, 80048, 100060, 160096, 200120, 320192, 400240, 640384, 800480, 1280768, 1600960, 3201920, 6403840]

約数ペア:

[(1, 6403840), (2, 3201920), (4, 1600960), (5, 1280768), (8, 800480), (10, 640384), (16, 400240), (20, 320192), (32, 200120), (40, 160096), (64, 100060), (80, 80048), (128, 50030), (160, 40024), (256, 25015), (320, 20012), (640, 10006), (1280, 5003)]