80456495480

素因数分解:

$2^3\times 5^1\times {\mathrm{911}}^1\times {\mathrm{2207917}}^1$

素因数の和:2208839

約数の個数: 32

約数和(自身を含む): 181225909440

約数和(自身を除く): 100769413960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 911, 1822, 3644, 4555, 7288, 9110, 18220, 36440, 2207917, 4415834, 8831668, 11039585, 17663336, 22079170, 44158340, 88316680, 2011412387, 4022824774, 8045649548, 10057061935, 16091299096, 20114123870, 40228247740, 80456495480]

約数ペア:

[(1, 80456495480), (2, 40228247740), (4, 20114123870), (5, 16091299096), (8, 10057061935), (10, 8045649548), (20, 4022824774), (40, 2011412387), (911, 88316680), (1822, 44158340), (3644, 22079170), (4555, 17663336), (7288, 11039585), (9110, 8831668), (18220, 4415834), (36440, 2207917)]