28750780

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{3917}}^1$

素因数の和:4293

約数の個数: 24

約数和(自身を含む): 60556608

約数和(自身を除く): 31805828

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 3670, 3917, 7340, 7834, 15668, 19585, 39170, 78340, 1437539, 2875078, 5750156, 7187695, 14375390, 28750780]

約数ペア:

[(1, 28750780), (2, 14375390), (4, 7187695), (5, 5750156), (10, 2875078), (20, 1437539), (367, 78340), (734, 39170), (1468, 19585), (1835, 15668), (3670, 7834), (3917, 7340)]