15820760

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2887}}^1$

素因数の和:3035

約数の個数: 32

約数和(自身を含む): 35868960

約数和(自身を除く): 20048200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 2887, 5480, 5774, 11548, 14435, 23096, 28870, 57740, 115480, 395519, 791038, 1582076, 1977595, 3164152, 3955190, 7910380, 15820760]

約数ペア:

[(1, 15820760), (2, 7910380), (4, 3955190), (5, 3164152), (8, 1977595), (10, 1582076), (20, 791038), (40, 395519), (137, 115480), (274, 57740), (548, 28870), (685, 23096), (1096, 14435), (1370, 11548), (2740, 5774), (2887, 5480)]