81807730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{9161}}^1$

素因数の和:9234

約数の個数: 32

約数和(自身を含む): 158319360

約数和(自身を除く): 76511630

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 4465, 8930, 9161, 18322, 45805, 91610, 174059, 348118, 430567, 861134, 870295, 1740590, 2152835, 4305670, 8180773, 16361546, 40903865, 81807730]

約数ペア:

[(1, 81807730), (2, 40903865), (5, 16361546), (10, 8180773), (19, 4305670), (38, 2152835), (47, 1740590), (94, 870295), (95, 861134), (190, 430567), (235, 348118), (470, 174059), (893, 91610), (1786, 45805), (4465, 18322), (8930, 9161)]