1011223280

素因数分解:

$2^4\times 5^1\times {\mathrm{12640291}}^1$

素因数の和:12640304

約数の個数: 20

約数和(自身を含む): 2351094312

約数和(自身を除く): 1339871032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12640291, 25280582, 50561164, 63201455, 101122328, 126402910, 202244656, 252805820, 505611640, 1011223280]

約数ペア:

[(1, 1011223280), (2, 505611640), (4, 252805820), (5, 202244656), (8, 126402910), (10, 101122328), (16, 63201455), (20, 50561164), (40, 25280582), (80, 12640291)]