11913520

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1087}}^1$

素因数の和:1237

約数の個数: 40

約数和(自身を含む): 27926784

約数和(自身を除く): 16013264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1087, 1096, 1370, 2174, 2192, 2740, 4348, 5435, 5480, 8696, 10870, 10960, 17392, 21740, 43480, 86960, 148919, 297838, 595676, 744595, 1191352, 1489190, 2382704, 2978380, 5956760, 11913520]

約数ペア:

[(1, 11913520), (2, 5956760), (4, 2978380), (5, 2382704), (8, 1489190), (10, 1191352), (16, 744595), (20, 595676), (40, 297838), (80, 148919), (137, 86960), (274, 43480), (548, 21740), (685, 17392), (1087, 10960), (1096, 10870), (1370, 8696), (2174, 5480), (2192, 5435), (2740, 4348)]