515317780

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{53791}}^1$

素因数の和:54279

約数の個数: 24

約数和(自身を含む): 1084446720

約数和(自身を除く): 569128940

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 2395, 4790, 9580, 53791, 107582, 215164, 268955, 537910, 1075820, 25765889, 51531778, 103063556, 128829445, 257658890, 515317780]

約数ペア:

[(1, 515317780), (2, 257658890), (4, 128829445), (5, 103063556), (10, 51531778), (20, 25765889), (479, 1075820), (958, 537910), (1916, 268955), (2395, 215164), (4790, 107582), (9580, 53791)]