15550180

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1901}}^1$

素因数の和:2319

約数の個数: 24

約数和(自身を含む): 32752440

約数和(自身を除く): 17202260

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 1901, 2045, 3802, 4090, 7604, 8180, 9505, 19010, 38020, 777509, 1555018, 3110036, 3887545, 7775090, 15550180]

約数ペア:

[(1, 15550180), (2, 7775090), (4, 3887545), (5, 3110036), (10, 1555018), (20, 777509), (409, 38020), (818, 19010), (1636, 9505), (1901, 8180), (2045, 7604), (3802, 4090)]