12706257280

素因数分解:

$2^7\times 5^1\times {\mathrm{19853527}}^1$

素因数の和:19853546

約数の個数: 32

約数和(自身を含む): 30375897840

約数和(自身を除く): 17669640560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 19853527, 39707054, 79414108, 99267635, 158828216, 198535270, 317656432, 397070540, 635312864, 794141080, 1270625728, 1588282160, 2541251456, 3176564320, 6353128640, 12706257280]

約数ペア:

[(1, 12706257280), (2, 6353128640), (4, 3176564320), (5, 2541251456), (8, 1588282160), (10, 1270625728), (16, 794141080), (20, 635312864), (32, 397070540), (40, 317656432), (64, 198535270), (80, 158828216), (128, 99267635), (160, 79414108), (320, 39707054), (640, 19853527)]