157280840

素因数分解:

$2^3\times 5^1\times {\mathrm{3932021}}^1$

素因数の和:3932032

約数の個数: 16

約数和(自身を含む): 353881980

約数和(自身を除く): 196601140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3932021, 7864042, 15728084, 19660105, 31456168, 39320210, 78640420, 157280840]

約数ペア:

[(1, 157280840), (2, 78640420), (4, 39320210), (5, 31456168), (8, 19660105), (10, 15728084), (20, 7864042), (40, 3932021)]