80337280

素因数分解:

$2^7\times 5^1\times {\mathrm{125527}}^1$

素因数の和:125546

約数の個数: 32

約数和(自身を含む): 192057840

約数和(自身を除く): 111720560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 125527, 251054, 502108, 627635, 1004216, 1255270, 2008432, 2510540, 4016864, 5021080, 8033728, 10042160, 16067456, 20084320, 40168640, 80337280]

約数ペア:

[(1, 80337280), (2, 40168640), (4, 20084320), (5, 16067456), (8, 10042160), (10, 8033728), (16, 5021080), (20, 4016864), (32, 2510540), (40, 2008432), (64, 1255270), (80, 1004216), (128, 627635), (160, 502108), (320, 251054), (640, 125527)]