12744320

素因数分解:

$2^7\times 5^1\times {\mathrm{19913}}^1$

素因数の和:19932

約数の個数: 32

約数和(自身を含む): 30468420

約数和(自身を除く): 17724100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 19913, 39826, 79652, 99565, 159304, 199130, 318608, 398260, 637216, 796520, 1274432, 1593040, 2548864, 3186080, 6372160, 12744320]

約数ペア:

[(1, 12744320), (2, 6372160), (4, 3186080), (5, 2548864), (8, 1593040), (10, 1274432), (16, 796520), (20, 637216), (32, 398260), (40, 318608), (64, 199130), (80, 159304), (128, 99565), (160, 79652), (320, 39826), (640, 19913)]