12753280

素因数分解:

$2^7\times 5^1\times {\mathrm{19927}}^1$

素因数の和:19946

約数の個数: 32

約数和(自身を含む): 30489840

約数和(自身を除く): 17736560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 19927, 39854, 79708, 99635, 159416, 199270, 318832, 398540, 637664, 797080, 1275328, 1594160, 2550656, 3188320, 6376640, 12753280]

約数ペア:

[(1, 12753280), (2, 6376640), (4, 3188320), (5, 2550656), (8, 1594160), (10, 1275328), (16, 797080), (20, 637664), (32, 398540), (40, 318832), (64, 199270), (80, 159416), (128, 99635), (160, 79708), (320, 39854), (640, 19927)]