7905320

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{769}}^1$

素因数の和:1037

約数の個数: 32

約数和(自身を含む): 17879400

約数和(自身を除く): 9974080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 769, 1028, 1285, 1538, 2056, 2570, 3076, 3845, 5140, 6152, 7690, 10280, 15380, 30760, 197633, 395266, 790532, 988165, 1581064, 1976330, 3952660, 7905320]

約数ペア:

[(1, 7905320), (2, 3952660), (4, 1976330), (5, 1581064), (8, 988165), (10, 790532), (20, 395266), (40, 197633), (257, 30760), (514, 15380), (769, 10280), (1028, 7690), (1285, 6152), (1538, 5140), (2056, 3845), (2570, 3076)]