80457600208

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{20034263}}^1$

素因数の和:20034522

約数の個数: 20

約数和(自身を含む): 156507670368

約数和(自身を除く): 76050070160

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 20034263, 40068526, 80137052, 160274104, 320548208, 5028600013, 10057200026, 20114400052, 40228800104, 80457600208]

約数ペア:

[(1, 80457600208), (2, 40228800104), (4, 20114400052), (8, 10057200026), (16, 5028600013), (251, 320548208), (502, 160274104), (1004, 80137052), (2008, 40068526), (4016, 20034263)]