7134590920

素因数分解:

$2^3\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{89227}}^1$

素因数の和:91237

約数の個数: 32

約数和(自身を含む): 16061040000

約数和(自身を除く): 8926449080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1999, 3998, 7996, 9995, 15992, 19990, 39980, 79960, 89227, 178454, 356908, 446135, 713816, 892270, 1784540, 3569080, 178364773, 356729546, 713459092, 891823865, 1426918184, 1783647730, 3567295460, 7134590920]

約数ペア:

[(1, 7134590920), (2, 3567295460), (4, 1783647730), (5, 1426918184), (8, 891823865), (10, 713459092), (20, 356729546), (40, 178364773), (1999, 3569080), (3998, 1784540), (7996, 892270), (9995, 713816), (15992, 446135), (19990, 356908), (39980, 178454), (79960, 89227)]