201023320

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{7603}}^1$

素因数の和:8275

約数の個数: 32

約数和(自身を含む): 453046320

約数和(自身を除く): 252023000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2644, 3305, 5288, 6610, 7603, 13220, 15206, 26440, 30412, 38015, 60824, 76030, 152060, 304120, 5025583, 10051166, 20102332, 25127915, 40204664, 50255830, 100511660, 201023320]

約数ペア:

[(1, 201023320), (2, 100511660), (4, 50255830), (5, 40204664), (8, 25127915), (10, 20102332), (20, 10051166), (40, 5025583), (661, 304120), (1322, 152060), (2644, 76030), (3305, 60824), (5288, 38015), (6610, 30412), (7603, 26440), (13220, 15206)]