2019496040

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{220469}}^1$

素因数の和:220709

約数の個数: 32

約数和(自身を含む): 4563729000

約数和(自身を除く): 2544232960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 9160, 220469, 440938, 881876, 1102345, 1763752, 2204690, 4409380, 8818760, 50487401, 100974802, 201949604, 252437005, 403899208, 504874010, 1009748020, 2019496040]

約数ペア:

[(1, 2019496040), (2, 1009748020), (4, 504874010), (5, 403899208), (8, 252437005), (10, 201949604), (20, 100974802), (40, 50487401), (229, 8818760), (458, 4409380), (916, 2204690), (1145, 1763752), (1832, 1102345), (2290, 881876), (4580, 440938), (9160, 220469)]