325760

素因数分解:

$2^7\times 5^1\times {\mathrm{509}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 780300

約数和(自身を除く): 454540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 509, 640, 1018, 2036, 2545, 4072, 5090, 8144, 10180, 16288, 20360, 32576, 40720, 65152, 81440, 162880, 325760]

約数ペア:

[(1, 325760), (2, 162880), (4, 81440), (5, 65152), (8, 40720), (10, 32576), (16, 20360), (20, 16288), (32, 10180), (40, 8144), (64, 5090), (80, 4072), (128, 2545), (160, 2036), (320, 1018), (509, 640)]