164480320

素因数分解:

$2^6\times 5^1\times {\mathrm{514001}}^1$

素因数の和:514018

約数の個数: 28

約数和(自身を含む): 391669524

約数和(自身を除く): 227189204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 514001, 1028002, 2056004, 2570005, 4112008, 5140010, 8224016, 10280020, 16448032, 20560040, 32896064, 41120080, 82240160, 164480320]

約数ペア:

[(1, 164480320), (2, 82240160), (4, 41120080), (5, 32896064), (8, 20560040), (10, 16448032), (16, 10280020), (20, 8224016), (32, 5140010), (40, 4112008), (64, 2570005), (80, 2056004), (160, 1028002), (320, 514001)]