158341520

素因数分解:

$2^4\times 5^1\times {\mathrm{1979269}}^1$

素因数の和:1979282

約数の個数: 20

約数和(自身を含む): 368144220

約数和(自身を除く): 209802700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1979269, 3958538, 7917076, 9896345, 15834152, 19792690, 31668304, 39585380, 79170760, 158341520]

約数ペア:

[(1, 158341520), (2, 79170760), (4, 39585380), (5, 31668304), (8, 19792690), (10, 15834152), (16, 9896345), (20, 7917076), (40, 3958538), (80, 1979269)]