142486720

素因数分解:

$2^6\times 5^1\times {\mathrm{445271}}^1$

素因数の和:445288

約数の個数: 28

約数和(自身を含む): 339297264

約数和(自身を除く): 196810544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 445271, 890542, 1781084, 2226355, 3562168, 4452710, 7124336, 8905420, 14248672, 17810840, 28497344, 35621680, 71243360, 142486720]

約数ペア:

[(1, 142486720), (2, 71243360), (4, 35621680), (5, 28497344), (8, 17810840), (10, 14248672), (16, 8905420), (20, 7124336), (32, 4452710), (40, 3562168), (64, 2226355), (80, 1781084), (160, 890542), (320, 445271)]