196633520

素因数分解:

$2^4\times 5^1\times {\mathrm{1237}}^1\times {\mathrm{1987}}^1$

素因数の和:3237

約数の個数: 40

約数和(自身を含む): 457772784

約数和(自身を除く): 261139264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1237, 1987, 2474, 3974, 4948, 6185, 7948, 9896, 9935, 12370, 15896, 19792, 19870, 24740, 31792, 39740, 49480, 79480, 98960, 158960, 2457919, 4915838, 9831676, 12289595, 19663352, 24579190, 39326704, 49158380, 98316760, 196633520]

約数ペア:

[(1, 196633520), (2, 98316760), (4, 49158380), (5, 39326704), (8, 24579190), (10, 19663352), (16, 12289595), (20, 9831676), (40, 4915838), (80, 2457919), (1237, 158960), (1987, 98960), (2474, 79480), (3974, 49480), (4948, 39740), (6185, 31792), (7948, 24740), (9896, 19870), (9935, 19792), (12370, 15896)]