20403054080

素因数分解:

$2^9\times 5^1\times {\mathrm{7969943}}^1$

素因数の和:7969966

約数の個数: 40

約数和(自身を含む): 48919516272

約数和(自身を除く): 28516462192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 7969943, 15939886, 31879772, 39849715, 63759544, 79699430, 127519088, 159398860, 255038176, 318797720, 510076352, 637595440, 1020152704, 1275190880, 2040305408, 2550381760, 4080610816, 5100763520, 10201527040, 20403054080]

約数ペア:

[(1, 20403054080), (2, 10201527040), (4, 5100763520), (5, 4080610816), (8, 2550381760), (10, 2040305408), (16, 1275190880), (20, 1020152704), (32, 637595440), (40, 510076352), (64, 318797720), (80, 255038176), (128, 159398860), (160, 127519088), (256, 79699430), (320, 63759544), (512, 39849715), (640, 31879772), (1280, 15939886), (2560, 7969943)]