3937280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{769}}^1$

素因数の和:794

約数の個数: 44

約数和(自身を含む): 9457140

約数和(自身を除く): 5519860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 769, 1024, 1280, 1538, 2560, 3076, 3845, 5120, 6152, 7690, 12304, 15380, 24608, 30760, 49216, 61520, 98432, 123040, 196864, 246080, 393728, 492160, 787456, 984320, 1968640, 3937280]

約数ペア:

[(1, 3937280), (2, 1968640), (4, 984320), (5, 787456), (8, 492160), (10, 393728), (16, 246080), (20, 196864), (32, 123040), (40, 98432), (64, 61520), (80, 49216), (128, 30760), (160, 24608), (256, 15380), (320, 12304), (512, 7690), (640, 6152), (769, 5120), (1024, 3845), (1280, 3076), (1538, 2560)]