5281280

素因数分解:

$2^9\times 5^1\times {\mathrm{2063}}^1$

素因数の和:2086

約数の個数: 40

約数和(自身を含む): 12668832

約数和(自身を除く): 7387552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2063, 2560, 4126, 8252, 10315, 16504, 20630, 33008, 41260, 66016, 82520, 132032, 165040, 264064, 330080, 528128, 660160, 1056256, 1320320, 2640640, 5281280]

約数ペア:

[(1, 5281280), (2, 2640640), (4, 1320320), (5, 1056256), (8, 660160), (10, 528128), (16, 330080), (20, 264064), (32, 165040), (40, 132032), (64, 82520), (80, 66016), (128, 41260), (160, 33008), (256, 20630), (320, 16504), (512, 10315), (640, 8252), (1280, 4126), (2063, 2560)]