1297280

素因数分解:

$2^7\times 5^1\times {\mathrm{2027}}^1$

素因数の和:2046

約数の個数: 32

約数和(自身を含む): 3102840

約数和(自身を除く): 1805560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2027, 4054, 8108, 10135, 16216, 20270, 32432, 40540, 64864, 81080, 129728, 162160, 259456, 324320, 648640, 1297280]

約数ペア:

[(1, 1297280), (2, 648640), (4, 324320), (5, 259456), (8, 162160), (10, 129728), (16, 81080), (20, 64864), (32, 40540), (40, 32432), (64, 20270), (80, 16216), (128, 10135), (160, 8108), (320, 4054), (640, 2027)]