208482880

素因数分解:

$2^6\times 5^1\times {\mathrm{651509}}^1$

素因数の和:651526

約数の個数: 28

約数和(自身を含む): 496450620

約数和(自身を除く): 287967740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 651509, 1303018, 2606036, 3257545, 5212072, 6515090, 10424144, 13030180, 20848288, 26060360, 41696576, 52120720, 104241440, 208482880]

約数ペア:

[(1, 208482880), (2, 104241440), (4, 52120720), (5, 41696576), (8, 26060360), (10, 20848288), (16, 13030180), (20, 10424144), (32, 6515090), (40, 5212072), (64, 3257545), (80, 2606036), (160, 1303018), (320, 651509)]