7281920

素因数分解:

$2^8\times 5^1\times {\mathrm{5689}}^1$

素因数の和:5710

約数の個数: 36

約数和(自身を含む): 17445540

約数和(自身を除く): 10163620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 5689, 11378, 22756, 28445, 45512, 56890, 91024, 113780, 182048, 227560, 364096, 455120, 728192, 910240, 1456384, 1820480, 3640960, 7281920]

約数ペア:

[(1, 7281920), (2, 3640960), (4, 1820480), (5, 1456384), (8, 910240), (10, 728192), (16, 455120), (20, 364096), (32, 227560), (40, 182048), (64, 113780), (80, 91024), (128, 56890), (160, 45512), (256, 28445), (320, 22756), (640, 11378), (1280, 5689)]