897280

素因数分解:

$2^8\times 5^1\times {\mathrm{701}}^1$

素因数の和:722

約数の個数: 36

約数和(自身を含む): 2152332

約数和(自身を除く): 1255052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 701, 1280, 1402, 2804, 3505, 5608, 7010, 11216, 14020, 22432, 28040, 44864, 56080, 89728, 112160, 179456, 224320, 448640, 897280]

約数ペア:

[(1, 897280), (2, 448640), (4, 224320), (5, 179456), (8, 112160), (10, 89728), (16, 56080), (20, 44864), (32, 28040), (40, 22432), (64, 14020), (80, 11216), (128, 7010), (160, 5608), (256, 3505), (320, 2804), (640, 1402), (701, 1280)]