253135880

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{12433}}^1$

素因数の和:12953

約数の個数: 32

約数和(自身を含む): 570720600

約数和(自身を除く): 317584720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 4072, 5090, 10180, 12433, 20360, 24866, 49732, 62165, 99464, 124330, 248660, 497320, 6328397, 12656794, 25313588, 31641985, 50627176, 63283970, 126567940, 253135880]

約数ペア:

[(1, 253135880), (2, 126567940), (4, 63283970), (5, 50627176), (8, 31641985), (10, 25313588), (20, 12656794), (40, 6328397), (509, 497320), (1018, 248660), (2036, 124330), (2545, 99464), (4072, 62165), (5090, 49732), (10180, 24866), (12433, 20360)]