221821860080

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{19948009}}^1$

素因数の和:19948161

約数の個数: 40

約数和(自身を含む): 519446180400

約数和(自身を除く): 297624320320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 19948009, 39896018, 79792036, 99740045, 159584072, 199480090, 319168144, 398960180, 797920360, 1595840720, 2772773251, 5545546502, 11091093004, 13863866255, 22182186008, 27727732510, 44364372016, 55455465020, 110910930040, 221821860080]

約数ペア:

[(1, 221821860080), (2, 110910930040), (4, 55455465020), (5, 44364372016), (8, 27727732510), (10, 22182186008), (16, 13863866255), (20, 11091093004), (40, 5545546502), (80, 2772773251), (139, 1595840720), (278, 797920360), (556, 398960180), (695, 319168144), (1112, 199480090), (1390, 159584072), (2224, 99740045), (2780, 79792036), (5560, 39896018), (11120, 19948009)]