39869320

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2437}}^1$

素因数の和:2857

約数の個数: 32

約数和(自身を含む): 89962200

約数和(自身を除く): 50092880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 2437, 3272, 4090, 4874, 8180, 9748, 12185, 16360, 19496, 24370, 48740, 97480, 996733, 1993466, 3986932, 4983665, 7973864, 9967330, 19934660, 39869320]

約数ペア:

[(1, 39869320), (2, 19934660), (4, 9967330), (5, 7973864), (8, 4983665), (10, 3986932), (20, 1993466), (40, 996733), (409, 97480), (818, 48740), (1636, 24370), (2045, 19496), (2437, 16360), (3272, 12185), (4090, 9748), (4874, 8180)]