166405760

素因数分解:

$2^7\times 5^1\times {\mathrm{260009}}^1$

素因数の和:260028

約数の個数: 32

約数和(自身を含む): 397815300

約数和(自身を除く): 231409540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 260009, 520018, 1040036, 1300045, 2080072, 2600090, 4160144, 5200180, 8320288, 10400360, 16640576, 20800720, 33281152, 41601440, 83202880, 166405760]

約数ペア:

[(1, 166405760), (2, 83202880), (4, 41601440), (5, 33281152), (8, 20800720), (10, 16640576), (16, 10400360), (20, 8320288), (32, 5200180), (40, 4160144), (64, 2600090), (80, 2080072), (128, 1300045), (160, 1040036), (320, 520018), (640, 260009)]